Katrina drops a 6.00kg rock from the top of a 21.5m cliff 1. After falling for 1.9 seconds, the rock will have a speed of ____m/s 2. what is the speed of the rock just before it hits the ground

Q: A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the…

A: Let ux be the horizontal velocity of the car and uy be the vertical velocity,.The kinematic…

Q: A stone is thrown hotrizontally with an initial speed of 10 m/s from the edge of a cliff. A stop…

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Q: A car drives straight off the edge of a cliff that is 67.4 m high.  The police at the scene of the…

A: Time taken by car to reach at ground is as follows; t=2hg…

Q: A basketball player kicks a hollow basketball up a ramp at 18m/s.  The ramp has an angle of 25° and…

A: Given that, initial velocity = 18m/s The ramp has an angle of 25°  length is 2.3m long

Q: A ball drops from a building and strikes the ground in 4.4 s. The speed (in m/s) with which the ball…

A: Initial speed of ball is zero and the ball‘s motion is under gravitational acceleration only.

Q: An athlete in his run-up for a pole vault can achieve a speed of 30 ft/s. What is the maximum…

A:

Q: A ball, released from rest, takes 4.00s to roll down a straight, 12.0m long, ramp(inclined plane).…

A: Given,

Q: If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 second had elapsed?…

A:

Q: An airplane starts from rest and accelerates at a constant 10.8 m/s2. What is its speed at the end…

A: The equation of motion is given by, v2=u2+2as Here, v is the final velocity, u is the initial…

Q: A bobsled zips down a frictionless ice track starting at 150 m vertical distance up the hill. What…

A: Given information:Initial velocity of the sled (u) = 0Total height of the mountain (H) = 150 mThe…

Q: A 3kg ball is dropped from rest in the -y direction from a 10m tall building.  Ignore air…

A: Take the top of the building to be y=0 and the downward direction to be positive. The equation of…

Q: A bike and a rider have a mass of 210 kg and a speed of 19 m/s. What is the shortest distance he can…

A:

Q: When a certain roller coaster is at the top of a 61 m hill, it has no velocity. As the coaster…

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Q: The cat runs a constant speed of 9.7 m/s. If the cat runs a total of time of 7.1 mins. How much…

A:

Q: Jenny and Alyssa are members of the cross-country team. On a training run, Jenny starts off and runs…

A: Given,

Q: A stone is thrown upward with a velocity of 10 m/s from a window 50 meters above the ground level.…

A:

Q: A soccer ball is kicked with the initial speed of 10.7 m/s After 0.730 s it is at its highest point.

A: Initial speed of the ball u=10.7 m/s Time taken by the ball to reach the maximum height t =0.73 s If…

Q: A bicyclist is coasting on level ground at 18.25 m/s. The bicyclist coasts up an incline and grabs…

A:

Q: The driver of a car slams on the brakes, causing the car to slow down at a rate of 26.0ft/s? as the…

A: From kinematics, the expression for the final velocity is:

Q: A tennis ball is tossed upward with a speed of 3.0 m/s what is maximum height it can reach?

A: According to second equation of motion -  vf2-vi2=2gh .....(1) Where,  g =Acceleration of…

Q: You drop a marble from the top of a 90.2 meter building. The speed of the marble is ( _)m/s when it…

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Q: A student drops a water balloon out of a dorm window 26 m above the ground. What is its speed when…

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Q: The driver of a car slams on the brakes, causing the car to slow down at a rate of 20.0ft/s? as the…

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Q: A ball is dropped from the top of a 82-m-high building. What speed does the ball have in falling 3.4…

A: The expression to determine the velocity will be,

Q: A juggler throws a bowling pin straight up with an initial speed of 7.9m/s from an initial height of…

A: Given data: The initial speed of the bowling pin is u=7.9 m/s. The total displacement of the…

Q: A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)? Given: Work:…

A:

Q: A 1200 kg car is travelling at 25 m/s and it comes to a hill. How high can it go up the hill before…

A: Applying the conservation of energy , that is energy before = energy after…

Q: A ball is thrown downward from the top of a 40.0 m tower with an initial speed of 12.0 m/s. Assuming…

A: Height of building= 40 m Initial speed= 12 m/s Ball is thrown downward.

Q: A speed skater moving across frictionless ice at 8.3 m/s hits a 5.6m- wide patch of rough ice. She…

A:

Q: A ball is dropped from the top of a 84-m-high building. What speed does the ball have in falling 3.3…

A: In the given problem, the acceleration is constant (gravitational acceleration) during the motion so…

Q: A baseball player throws a 0.2 kg ball (Ball A) from the top of a 10 m tall hill with a velocity of…

A: According to Newton's law of motion , the vertical displacement is calculated by using the formula…

Q: A 50 kg car is moving at 5 m/s. The driver then accelerates at 3 m/s2 for 10 seconds. How fast is…

A: The equation of motion is given by,

Q: A 0.54-kg ball is thrown vertically upward with an initial speed of 14.0 m/s. What is the speed of…

A:

Q: A diver jumps from a height of 36 m What is his flight speed when he reaches the water?

A: Write the given values with the suitable variables. u=0 m/sh=36 m Here, u is the initial speed and h…

Q: 1. A tennis ball is thrown upwards from the edge of a cliff with a speed of 10 m/s. It lands on the…

A: Speed=10m/s

Q: A 641-kg roller coaster car descends a 25-m-high hill with an initial velocity of 7 m/s. It then…

A: Since there is no loss of energy.Total energy at the top of the first hill=Total energy at the top…

Q: A 0.623 kg. basketball is dropped from the rooftop of a building. If it took the ball 3.5 seconds to…

A: Given:Initial velocity, u = 0 m/stime taken, t = 3.5 s

Q: A racecar has a speed of 80. when the driver releases a drag parachute. If the parachute causes a…

A: Given data: Initial velocity (v0) = 80 m/s Acceleration (a) = -4 m/s2  Final velocity (v) = 0 m/s…

Q: 21. The graph shows a car's acceleration over time. Car's Acceleration Over Time 4 Time (s) If the…

A: Solution According to graph acceleration is constant acceleration(a) = 5 m/s2 initial speed (u) = 0…

Q: A ball is dropped from the top of a 88 m high building. What speed does the ball have in falling…

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Q: A bicycle accelerates from rest at a constant rate of 2.12 [m/s*] for 15.0 [s]. It then ran at a…

A: Given data:  Initial velocity (v0) = 0 m/s Acceleration (a) = 2.12 m/s2  For time (t) = 15.0 s Then…

Q: A 66 kg Man pushes off the 87kg Block on ice and slide away at a speed of 3 m/s. What is the speed…

A: Given data The mass of the man is m = 66 kg. The mass of the block is M = 87 kg. The final velocity…

Q: a 1kg ball is 10m above the table when it is dropped. how fast is it going right before it hit the…

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Q: A 5000ton frieight is moving at a speed of 10mph next to it a 3250lb Ferrari is moving at a speed of…

A: The equation for momentum is, p=m×v Here, m is the mass, and v is the velocity.

Q: A bike and rider have a mass of 210 kg and a speed of 19m/s. What is the shortest distance he can…

A:

Q: A student drops a water balloon out of a dorm window 13 m above the ground. What is its speed when…

A:

Q: An object fell from the balcony of a high-rise building. It hit the ground with a final speed of 14…

A: Write the equation of motion

Q: The graph of the velocity function represents the velocity in miles per hour during a 10-minute trip…

A: We know that, velocity=distancetime. That is, v=xt, where v is the velocity, x is the distance and t…