When the direction of acceleration and velocity are in opposite direction, the motion of the object is speeding up.

Q: A football is kicked at an angle to the ground and is moving upwards and rightwards towards the peak…

A: ax=0                        ay=-gaccln due to gravity is d always downward .

Q: The velocity of the football is

A: Option A 40m/s due East is correct , see next step for complete explanation.

Q: What is the path followed by a projectile when it moves with constant speed?

A: When an object is thrown at some angle from the horizontal, the motion is called projectile motion.…

Q: 16. The rate of the change in velocity. O Displacement O Speed O Velocity O Acceleration

A: The rate of change in velocity is called acceleration.

Q: A car accelerates uniformly from rest to a speed of 40 mph and 10 seconds find the distance the car…

A: Given: The intial speed of the car is 0 m/s. The final speed of the car is 40 mph. The time interval…

Q: When the rocket engines on a starship are suddenly turned off, while travelling in empty space, the…

A: To explain : How will the starship travel once its engines are suddenly turned off ?

Q: After firing, the velocity of the rifle (relative to the ground) is:

A: Using concept o conservation of linear momentum MU  +mu= MV+ mv M= mass of gun= 6.1kg m= mass of…

Q: When a projectile motion reaches maximum height, the velocity becomes _____________ in direction to…

A: as we know that when any particle which follows projectile motion travelling in parabolic path as…

Q: A football is kicked at an angle to the ground and is moving upwards and rightwards towards the peak…

A: A projectile motion is the motion made by an object thrown or kicked at an angle with respect to the…

Q: Does the direction of acceleration change during the flight of a projectile?

A: A projectile has a vertical acceleration of , downward and no horizontal acceleration.

Q: Vectors in a opposite directions cancel each other out. What is the velocity of an airplane that…

A: Given Data: The velocity of airplane is v1 = 500 mph. The velocity of wind is v2 = 50 mph. The…

Q: For projectiles, vertical velocity and vertical distance traveled over time. * remain constant…

A: Concept used :- projectile motion .

Q: Make a graphical motion of velocity vs time and acceleration vs time of any moving object or body.

A: Draw a diagram for velocity vs time.

Q: A custodian pushes a crate to the left across the gym floor at a constant speed.

A: Friction force always act in opposite direction to the relative motion.  Since custodian moves crate…

Q: What is the direction of acceleration of an object in comparison to the direction of velocity of an…

A: In this question we have to find the direction of acceleration of object. Please give positive…

Q: Are officers in the highway patrol more interested in (a) your average speed or (b) your…

A: Average or instantaneous speed

Q: An object accelerates uniformly from rest to 3 m/s in 7.1 seconds. Find:the time it takes to change…

A:

Q: What is the direction of the acceleration of your car when you start backing out of your parking…

A:

Q: If you throw an object upwards What’s the direction of its velocity and of its acceleration while it…

A: When the object goes up, the velocity will be directed in the upward direction. When the object goes…

Q: If a car is traveling eastward and slowing down, what is the direction of the acceleration on the…

A: Acceleration is defined as the rate of change of velocity per unit time.

Q: If the velocity and acceleration of an object are in the same direction,

A: Acceleration is rate of change of velocity

Q: A hockey puck slides across the ice at an average speed of 9.0 m/s. The distance the puck travels in…

A: Given : Average speed (vav) = 9.0 m/s Time (t) = 0.6 seconds

Q: A plane traveling north at 200 km/h turns and then travels south at 200 km/h. The change in its…

A: Consider the initial velocity of plane be vi, and its final velocity be vf. Initially, the plane…

Q: In each second of falling, the distance a freely falling object will fall is _______

A:

Q: A friend says that if a car is traveling toward the east, it cannot at the same time accelerate…

A: It is not always necessary that the acceleration and velocity directed in the same way.

Q: A motor boat travels 10 km/hr in still water. If the same boat travels in a river flowing at a rate…

A: The relative velocity of the boat going upstream = (Speed of boat in still water) - (Speed of river)

Q: A football is kicked from ground level in seconds, is the football in the air be

A:

Q: If the velocity and acceleration of an object are in the opposite direction,

A: Scenario: Velocity and acceleration oppositely directed.

Q: A downward-moving skydiver is falling with a constant speed.

A:

Q: An object speeds up (accelerating) if the velocity and acceleration point in the perpendicular…

A: Rate of change of displacement of an object is known as the velocity possessed by the object. And…

Q: What is known as the change in position of an object? O displecment O speed O velocity none of the…

A: To identify :  The change in position of an object is known as ____

Q: When you throw an object into the air, is its return speed just before hitting your hand the same as…

A: Yes, the initial velocity of the ball from the ground and just before reaching the ground are same.

Q: When an object is thrown upward, how much speed does it lose each second?

A: When air resistance is neglected, the only force acting on the object will be gravitational force.…

Q: A police jeep is following a car with a speed of 120m/s fires an object with speed of 80m/s. If car…

A:

Q: A car traveling North moves at a constant speed. The direction of acceleration is:

A: Given: Direction of the car = North. Speed is constant.

Q: is the direction of acceleration upward or downward?

A:

Q: If the velocity and acceleration of an object are in the same direction, _____________

A:

Q: When an object is thrown upwards,how much speed does it lose each second?

A: An object moving vertically upwards is moving under the gravitational acceleration, which is 9.8…

Q: when velocity is zero for a time, what is true about directed distance

A: If the velocity is zero for a time, this indicates that the directed distance is not changing.…

Q: acting on it? Time Time (1) (3) Time Time (2) (4) Acceleration Velocity

A: As per Bartleby guidelines I have solved first question asked by you out of multiple questions and…

Q: What is the acceleration of a projectile when it reaches its highestpoint?

A: Acceleration: The term acceleration in physics can be defined as the rate of change in the velocity…

Q: The motion of an object with constant velocity is also known as

A: Type of motion is defined based on velocity. wether velocity is constant or changing. The motion of…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –