Near the end of a marathon race, the first two runners are separated by a distance of 65.0 m. The front runner has a velocity of 3.25 m/s, and the second runner has a velocity of 4.75 m/s. What is the magnitude of the velocity of the second runner relative to the first? velocity of the second runner relative to the first: ? If the front runner is 215 m from the finish line, who will win the race, assuming both runners run at constant velocity? a) front runner b) Both runners cross the finish line at the same time. c) second runner By what distance does the winning runner finish ahead of the next runner? distance

Q: Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.89 times a second. A…

A: The wheel rotates 2.89 times a second that means wheel complete 2.89 revolutions in a second.…

Q: n the figure, a copper bar is welded end to end with a brass bar. The cross-section area of oth bars…

A: Given For copper rod Length of copper rod = 10.0 cm Higher temperature = 100°C Lower temperature = T…

Q: I need help with parts A and B can you label which part is which. Thank you

A:

Q: The 2 vectors shown in the image below are combined. What is the resultant quantity? 100 m/s 50 m/s…

A: Given data: The two vectors  V1 = 100 m/s, to the right V2 = 50 m/s, to the right Required: The…

Q: 3. Using the hydrostatic equilibrium, and the resulting scale height expressions discussed in class,…

A:

Q: A 1.85 kg frictionless block is attached to an ideal spring with force constant 310 N/m. Initially…

A: mass of block (m) = 1.85 kg force constant (k) = 310 Nm speed at equilibrium position (v) = 13.5 ms…

Q: Question number two says you need a different formula with new values

A:

Q: 8. Block B weighs 710 N. The coefficient of static friction between the block and horizontal surface…

A:

Q: Solve the following motion problems. 1. A ball is thrown vertically from a point 30 feet above the…

A: 1 a.) A ball is thrown vertically upward  from a point 30 feet above the ground case-1 (if the ball…

Q: What is the average amount of electricity used by a computer?

A: Electricity: electricity is a phenomenon connected to electrical charges, either moving or…

Q: What is the electric flux of a vector area A = (4.0m²)î - (7.0m²)k in a uniform electric field Ē = −…

A:

Q: A 300-volt electromotive force is applied to an LR-series circuit in which the resistance is 500…

A: Given, Emf of the battery, ε = 300 V resistance in the circuit, R = 500 Ω Inductance, I = 0.5 H i(0)…

Q: D Question 2 Which of the following is a type of projectile motion? O A jet taking off OA student…

A: Given  Which of the following is a type of projectile motion?

Q: Four guitarists are tuning their guitar relative to a reference. They strum a string and listen to…

A: Concept: Beats occur when two sound waves having nearly the same frequency overlap. It is given by…

Q: sume that you are driving a car at 10.0 km/h and then you accelerate to 80.0 km/h with an…

A:

Q: child has a marble “roller coaster” that they are playing with, a simplified version of which is…

A:

Q: A ball of mass 5 slugs is dropped from a height of 800 ft with no initial velocity. The body…

A: This question is based on motion in one dimension.

Q: A bob of mass m is suspended from a fixed point with a massless string of length L (i.e., it is a…

A:

Q: Find resultant

A:

Q: A bus traveling 50 m/s is increasing its speed at the rate of 4 m/s2. (a) Find the distance covered…

A:

Q: The brake shoes of your car are made of a material that can tolerate very high temperatures without…

A: Given data: The material used to make the brake shoes of the car is the material that tolerates very…

Q: 3. Two particles leave the same point at the same time and both are moving along a horizontal line…

A: Given that,  Position function of the first particle, S1=4t3-2t2+3 ................eq(i) Position…

Q: bird flies 3.50 km [East] and then immediately turns around and flies 7.50 km [West]. The bird's…

A:

Q: 1. A ball is dropped from the top of a building. It took the ball 5.5 s to drop to the ground. How…

A: Given value--- ball is dropped from the top of a building. It took the ball 5.5 s to drop to the…

Q: Two charges, +Q and -Q, are located two meters apart and there is a point along the line that is…

A: Given data:  Two point charges +Q and -Q Distance between point charges (r) = 2m Required: The…

Q: The potential difference across a cell membrane is -67.0 mV. If the membrane's thickness is 12.6 nm,…

A: Given data:  Potential difference (ΔV) = -67.0 mV Thickness (d) = 12.6 nm Required: The magnitude of…

Q: QUESTION 2 What is the ratio of the surface area to the volume (a) for the 1 m sphere (b) for the 2…

A: The correct answer is option B

Q: Calculate the number of vacancies per cubic meter for some metal M, at 770 degree celcius. The…

A:

Q: An airplane dropped a bucket of water at an elevation of 1000 meters from the ground intended to hit…

A:

Q: In the figure at right, the 200-lb crate is being pulled up the slope by the motor M. If the…

A: In the following problem,  Mass of the crate, m=200 lb Velocity at point P, vP=2s3 ft/s Here s is…

Q: Examine the pictures of the thermometers. The image on the right displays how the thermometer has…

A: thermometers are used to measure temperature.

Q: Analyzing Graphs Analyze the motion of the body as shown in the following graphs. d velecity:…

A: From the graph its clear that  d∝t2or d=Ct2             here, C is some constantthen,Velocityv=dddt=…

Q: you solve a problem finding the acceleration of a car starting from a stop. You get a result of 5.5…

A:

Q: 1.) Graphically add the two vector shown below.

A:

Q: 7. The gusset plate is subjected to the two forces shown. Replace these forces with two equivalent…

A: Given, F1 = 750 NF2 = 1000 N

Q: A water bottle rocket is blasted up with an initial velocity of 40. m/s. Assume no air resistance.…

A: Given data:  A vertical upward projectile motion  Initial velocity (u) = 40 m/s Air resistance is…

Q: 6. A sports car must achieve a velocity of 100m.s after passing the entry tollgate of an expressway.…

A: Given : v = 100 m/s s = 200 m

Q: What is its average velocity during the 1st second?  What is its average velocity during the 2nd…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: (6) A projectile with mass m is launched from ground level with the initial speed vo and launch…

A: Answer=  ...... .....

Q: The crates in the figure below are released from rest. A. How far have they moved after one second?…

A:

Q: The sprinter begins from rest at position A and accelerates along the track. If the stationary…

A:

Q: 1 A speed of 59 010 000 000 feet per minute is indicated: A) convert it to the MKS system of units.…

A:

Q: If an electron is accelerated from rest through a potential difference of 1500 V, what speed does it…

A: Given: The initial speed of the electron is 0 m/s. The potential difference is 1500 V. The charge on…

Q: (a). the initial velocity of motion. (b). the time when it retums back to the starting point. (c).…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Emmy kicks a soccer ball up at an angle of 45° over a level field. She watches the ball's trajectory…

A:

Q: Q- What is end depth in free overall?

A: End depth: The distance between the virtual representation of the object at a high point and the…

Q: If a radar unit measures that speed of an object 3 times and the results of 300km/hr, 297 km/hr, 302…

A:

Q: Problem 1: A book is resting on a frictionless table until someone suddenly starts applying a…

A: A book is placed on the frictionless table and applied a constant force to make move upto end of the…

Q: Communications satellites orbit the Earth at a height of 42 500 km. 4.89 x * 5 points 10^7 m is the…

A:

Q: A particle with a charge of q₁ = 2C is placed 4m away from another charged particle q₂ = -4C. Find…

A: Given value--- q1 = 2 C. q2 = 4 C. d = 4 m. We have to find--- at which point net electric field…

Projectile Motion