E. coli cell in 1/10 of a second. If the length of an E. coli cell is 1500 nm, how fast does the water molecule travel in mph? 1 mile = 1.609 km.
Q: A small object has charge Q> 0. Charge q (0 ≤ q ≤ Q) is removed from it and placed on a second small…
A: Coulomb's law states that the electrostatic force between two charges kept at a distance r apart is…
Q: Calculate the magnitude of the normal force on a 15.2 kg block in the following circumstances.
A: Mass of the block, Force exerted on the block, angle above the horizontal,
Q: What must the charge (sign and magnitude) of a particle of mass 1.40 g be for it to remain…
A: The objective of the question is to find the charge of a particle that allows it to remain…
Q: A simple pendulum with a length of 1.83 m and a mass of 6.54 kg is given an initial speed of 2.76…
A:
Q: A 6.0 m * 8.0 m * 3.0 m room contains air at 20\deg C. What is the room's thermal energy
A:
Q: he electric flux through a surface depends on (Select the most complete option) The angle…
A:
Q: A cube has 7 protons at 7 of its corners and 1 electron at the other. How much work is required to…
A:
Q: Given two particles with Q = 3.30-μC charges as shown in the figure below and a particle with charge…
A:
Q: A 1,460-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at an…
A:
Q: W for Chapter 3 A car is travelling North at 47.5 km/h. The car makes a left turn and 16 s later it…
A: t = 16 secVi = 47.5 km/h (North)Vf = 39.8 km/h (west)
Q: A speedboat moves west at 108 km/h for 28.8 min. It then moves at 60.0° south of west at 90.0 km/h…
A: Note:- The formula for average velocity is given by, .Also, the formula for distance in terms of…
Q: Identify the object that has more potential energy than kinetic energy. a…
A: The objective of the question is to identify the object that has more potential energy than kinetic…
Q: 10. An 8.00-kg point mass and a 15.0-kg point mass are held in place 50.0 cm apart. A particle of…
A: The two masses will have gravitational fore between them. Gravitational force is given as :-Where G…
Q: A boat moving at 8.6 km/hr relative to the water is crossing a river 5.1 km wide in which the…
A:
Q: • In the figure below, the circle represents an equipotential surface. Which vector represents an…
A: Electric field lines and equipotential surfaces are always perpendicular to each other. Electric…
Q: osition Time Graphs-Average Speed In the position vs. time graphs below, all the times are in…
A:
Q: Energy comes in many forms and is constantly being converted from one form to another. Identify the…
A: The objective of the question is to identify the form of energy that can be directly converted from…
Q: Write an expression for the magnitude of the electric field due to the charge distribution on the…
A:
Q: The label on a battery-powered radio recommends the use of a rechargeable nickel-cadmium cell…
A:
Q: If the potential due to a point charge is 500 V at a distance of 17 m, what are the sign and…
A: Potential (V) = 500 VDistance (r) = 17 mRequired:The sign and magnitude of the charge
Q: What is the force (in N) of gravity between two 1445 kg cars separated by a distance of 42.0 m on an…
A: The objective of this question is to calculate the gravitational force between two objects, in this…
Q: 34. * Equation Jeopardy 3 The solution to a problem is represented by the following equation: (9.0 ×…
A: The equation is given asNote:Coulomb constant is Find:Define a problem for which the given equation…
Q: A body with a negative charge q (q ) as described in the drawing. A. In the described case, which…
A:
Q: Electron + Proton Calculate the potential energy of an electron and proton in a hydrogen atom (use 1…
A:
Q: he following charges are located inside a submarine: 5.20 μC, -9.00 μC, 27.0 μC, and -47 μC. (a)…
A:
Q: Determine the magnitude of the resultant force and its direction measured CCW from the positive x…
A:
Q: The figure below shows two lines of charge in cross-section coming out of the page. Each line of…
A: Linear charge density of both lines is Distance between charged lines is Note:Permittivity of free…
Q: The electric field 1/6 of the way from a charge q1 to a charge q2 is zero. How many times larger is…
A: electric field 1/6 of the way from a charge q1 to a charge q2 is zero.
Q: If a space station is 220 m in diameter, what angular velocity would produce an “artificial gravity”…
A: The objective of the question is to find the angular velocity that would produce an 'artificial…
Q: Suppose a circular plate made of foam board (an electrical insulator) is held in contact with the…
A: Given : The circular electric board (an electric insulator ) is held in contact with dome of a van…
Q: A hollow sphere has concentric surfaces with an inside a, an outside radius b and is uniformly…
A: We would use Gauss law to solve this question According to the gauss law," the electric flux through…
Q: In the graph above, what is the average velocity for the entire time interval (0 to 30 s)? [Use the…
A: Position vs time graph is given. We need to calculate average velocity
Q: A 34.6 kg child starting from rest slides down a water slide with a vertical height of 21.1 m.…
A: Mass of child, m=34.6 kg Vertical height, H=21.1 m Initial at rest, u=0 m/sLet bottom of slide is…
Q: A ball is tossed horizontally from the highest point of a 75 m building and lands 150 m from the…
A: The objective of this question is to find the vertical component of the velocity of a ball just…
Q: 3. A double slit is used with red light (Ared = 680 nm). The pattern is projected on a screen 2.0 m…
A:
Q: 8. A diffraction grating with 4000 lines/cm is used with white light. Find the width of the first…
A:
Q: A negative point charge of q = -14x10-4 C is placed at a point where the electric field is in -y…
A:
Q: 19-8.37) A tuning fork of unknown frequency makes three beats per second with a standard fork of…
A: Let, the unknown frequency is = f1 The standard frequency f2 = 384 Hz Beat frequency = 3 Hz
Q: A soccer ball is kicked horizontally at v0 = 13 m/s from a hill. The hill forms an angle \theta = 23…
A:
Q: A sodium ion Na* has mass 3.817 x 10-26 kg and is initially at rest on a Cartesian coordinate system…
A: Charge of Na+ = +eCharge of CO32- = -2e Distance between the charges = √ { ( x2 - x1)2 + ( y2 - y1)2…
Q: Consider the circuit shown below Find V₁, V₂, and R. www R₁ = 6N V₁ V₁ RA Hint V₂ 4₁-4A www R₂=4N R₁…
A:
Q: A large rock is dropped from the top of a high cliff. Assuming that air resistance can be ignored…
A: The objective of the question is to find out the speed of the rock 6 seconds after it is dropped…
Q: An aluminum wire 1.291 mm in diameter (16-gauge) carries a current of 4.5 amps. Overall Hint Review…
A:
Q: Three wires sit at the corners of a square, all carrying currents of 2 A into the page as shown in…
A: Three wires carrying Current I=2 A The length of each side of the square = 1 cm
Q: How could you reduce uncertainty to zero in any given experiment?
A:
Q: 3. As shown below, an equilateral triangle with sides of 0.150 m has three charges of -2.50…
A: Given : The side of triangle is The charge is The freee body diagram is,
Q: The arm of a crane at a construction site is17.0 m long, and it makes an angle of 16.8◦with the…
A: The objective of this question is to calculate the maximum torque that the crane can withstand.…
Q: Two charged point-like objects are located on the x-axis. The point-like object with charge q₁ =…
A:
Q: What is the direction of the acceleration, expressed as an angle in degrees measured clockwise…
A: Mass of object is Forces are and Note:Find:The direction of acceleration.
Q: Two m = 2 kg pucks collide on an air hockey table. Their paths are shown in the image below, puck A…
A:
AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.
Unlock instant AI solutions
Tap the button
to generate a solution
Click the button to generate
a solution
- (a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. (b) Making the same assumption, how many cells are there in a human?(a) Suppose that a person has an average heart rate of 72.0 beats/mm. How many beats does he or she have in 2.0 years? (b) In 2.00 years? (c) In 2.000 years?(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00 y? (c) In 2.000 y?
- Bacteria and other prokaryotes are found deep underground, in water, and in the air. One micron (106 m) is a typical length scale associated with these microbes. (a) Estimate the total number of bacteria and other prokaryotes in the biosphere of the Earth. (b) Estimate the total mass of all such microbes. (c) Discuss the relative importance of humans and microbes to the ecology of planet Earth. Can Homo sapiens survive without them?In 2011, artist Hans-Peter Feldmann covered the walls of a gallery at the New York Guggenheim Museum with 100,000 one-dollar bills (Fig. P1.48). Approximately how much would it cost you to wallpaper your room in one-dollar bills, assuming the bills do not overlap? Consider the cost of the bills alone, not other supplies or labor costs. FIGURE P1.48(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is 10 times the mass of a bacterium. (b) Making the same assumption, how many cells are there in a human?
- One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in room temperature. Using those numbers, answer the following questions: a) What is the mass of a single gold atom in kg? b) Assume that gold atoms sit in a perfect cubic crystal structure. Estimate the distance between two gold atoms in meters. c) If we have a gold cube of 6 cm on each side, how many atoms can we fit along the edge of each side of the cube? d) What would be the mass, in kilograms, of the gold cube we discussed in part (c) (measuring 6 cm on each side)?Some physical quantity X has the following units: M-9 L-5 T7. Some physical quantity Y has the following units: M6 L3 T-2. X and Y are related by an equation Y2 = c X-9, where c is some constant. The units of c can be written as Ma Lb Tc. What is a?According to Timothy Treadwell in 2001 "Now, the bears I live with average, the males are on average twelve hundred pounds. They're the largest bears in the world and they've been clocked at 41 [mph] and they've run a hundred meter dash in 5.85 seconds which human on stimulants doesn't even approach. a. Compute the speed of a grizzly bear using Mr. Treadwell's hundred-meter statement. b. Compute the momentum of a grizzly bear using the speed you calculated in part a. and the average mass stated by Mr. Treadwell. c. How fast would a 250 lb man have to run to have the same momentum you calculated in part b? d. How fast would a 4000 lb car have to drive to have the same momentum you calculated in part b?
- The density of bubble gum is about 1g/cm3. You blow an 8g wad of gum into a bubble 9cm in diameter. What is the thickness of the bubble? Use the equation: 4πr2 to help solve the problem.A. On the average, what volume of blood, in liters, does the heart pump during each beat? B. On the average, what volume of blood, in cubic centimeters, does the heart pump during each beat?1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. II
