A 15-kg rock is dropped from rest on the earth and reaches the ground in 1.75 s. When it is dropped from the same height on Saturn's satellite Enceladus, it reaches the ground in 18.6 s. What is the acceleration due to gravity on Enceladus?

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Q: A girl runs for a distance of 120 m at a speed of 6 m/s. How long does it take her to cover this…

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Q: A racquetball strikes a wall with a speed of 25 m/s and rebounds in the opposite direction with a…

A: Given data: Initial speed of racquetball is, u=25 m/s. Final speed of racquetball is, v=20 m/s. Time…

Q: A jet plan lands with an acceleration of 5 m/s^2 as it comes to rest. From the instant it touches…

A: Newton 's motion equations :         v  = u   +     at        S   =  ut    +   1/2at²        v²=…

Q: An astronaut is on a new planet. She discovers that if she drops a space rock from 19.22 m above the…

A: Given data:  Initial velocity (V0) = 0 m/s Height (h) = 19.22 m Final velocity (v) = 7.09 m/s…

Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…

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Q: A truck covers 80 m in 16 s while uniformly slowing down to come to rest. What is the initial…

A: Given: Distance = 80 m Time = 16 s To determine: Velocity. Formula used: Velocity = distancetime

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A: Using kinematics,

Q: An F18 is launched from the runway of an aircraft carrier. Starting from rest, in 2 s, the plane…

A: Write the given values with the suitable variables. u=0t=2 sv=151 km/h=151×10003600 m/s=41.94 m/s…

Q: A small fish is dropped by a pelican that is rising steadily at 0.44 m/s. After 4.3 s, what is the…

A: By using Newton's equation of motion:v=u+atv=0.44-9.81×4.3v=-41.742 m/s(Negative sign indicates…

Q: A rocket accelerates from rest at a rate of 23.2 m/s? for exactly 1 minute. The rocket's speed after…

A: Acceleration of the rocket is a = 23.2 m/s2 Time of acceleration is T = 1 min = 60 sec Initial speed…

Q: A 15 kg rock is dropped from rest on the Earth and reaches the ground in 1.75 s. When it is dropped…

A:

Q: A truck covers 80 m in 16 s while uniformly slowing down to come to rest. What is the initial…

A:

Q: ball to hit  the ground

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Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…

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Q: A drop tower of an amusement park rises at 5 m/s and is 45 m above the ground when one of the…

A: The equation of motion we use to solve this is s = ut + 12at2, where u = the initial velocity t =…

Q: A ball is dropped on the moon from a height of 1.90 meters. The acceleration of gravity on the moon…

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Q: On a distant planet, a baseball is released from rest at the top of a high cliff. Through what…

A: Solution: The displacement of the baseball as a freely falling body is given by the 2nd kinematics…

Q: An astronaut drops a rock on a planet with an acceleration due to gravity of 3.2 m/s2 from a height…

A: According to the equations of motion: The displacement s of an object in time t, with an initial…

Q: A Jeep starts from rest and accelerates uniformly over a time of 7.7 s for a distance of 8.1 m.…

A: Answer:- (d) 0.27 m/s2 Given  Initial velocity of a jeep(u) = 0 m/s  Time (t) = 7.7 s  Distance…

Q: A 15-kg rock is dropped from rest on the earth and reaches the ground in 1.75s. When it is dropped…

A: Given data The weight of the rock, m = 15 kg Time to reach the ground on earth, t = 1.75 s The time…

Q: A stone is dropped (released) from the top of a building of 60 m above the ground. How long does it…

A: Write a given values of this question. h=60mu=0 m/s

Q: A car has an acceleration of 20 m/s. If the car starts motion from origin at rest for 5 s. How far…

A: Given:Acceleration,α=20 m/s2Time,t=5 secInitial velocity,u=0 m/sFind Distance after that…

Q: A stone is launched straight upward from the ground, reaches a maximum height of 30.0 m, and then…

A: The third equation of motion is  v2 =u2 + 2 a s where, v is the final velocity, u is the initial…

Q: A body is dropped freely from the roof of a building, traveling in the middle of the last second of…

A: Solution: Let (T) be the total fall of distance (h). As given the distance travelled in (T) the…

Q: If a bus traveling at 49 m/s is subjected to a steady deceleration of 7 m/s2. How long will it take…

A: Given data :       Initial velocity  =  u        Deceleration  =  a        Final  velocity  = v…

Q: as part of a science experiment a giant rubber bladder filled with oil is dropped from a 30th story…

A: Given problem is related to valocity of partical.

Q: A woman swims the length of a 120-m pool and back again (one lap) in 90 s with a constant speed.…

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Q: A deer is running along the horizontal direction with a constant velocity of 19.1 m/s. The moment…

A: Solution: given that speed of dear = 19.1 m/s speed of tiger = 4.8 m/s t = 13.9 s to find the…

Q: A rock is thrown straight up with an initial velocity of 2.2 * 10' m/s. What maximum height will the…

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Q: A drag racer starts from rest and accelerates at 10 m/s? for the entire distance of 400 m (1/4…

A: Initial speed, u = 0 m/s Acceleration, a = 10 m/s2 Distance, s = 400 m   Applying the third equation…

Q: A bullet shot straight up returns to its starting point in 10 s. What is the initial speed of the…

A: As the time of ascent is equal to the time of descent, thus, the time taken by a bullet to reach the…

Q: An astronaut on a strange planet finds that he can jump a maximum horizontal distance of 16.0 m if…

A: It is given that on a strange planet, the maximum horizontal distance covered by an astronaut is R=…

Q: A drop tower of an amusement park rises at 5 m/s and is 45 m above the ground when one of the riders…

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Q: You toss a stone straight up and it comes back down in a total time of 6 s, what is the speed of the…

A: Time of flight, T = 6 s Acceleration due to gravity, g = 9.81 m/s2   The time of flight for…

Q: A ball is pushed downhill with an initial velocity of 3 m/s. The ball rolls down a hill with a…

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Q: If a flea can jump straight up to a height of 0.44 m, what is its initial speed as it leaves the…

A: Given that:- Maximum height attained by a flea=0.44m

Q: A vessel undergoes an average acceleration of 1.80m/s². What is the speed of the vessel after 85.6s?…

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Q: A snowboarder on a slope starts from rest and reaches a speed of 4.4 m/s after 9.4 s. (a) What is…

A: Given Initial velocity u=0Final velocity V=4.4 mstime to reach final velocity t=9.4 s

Q: A stone is released from rest from the top of a building of height 180 m. How much time elapses…

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Q: An object falls a distance h from rest. If it travels 0.550h in the last 1.00 s, find (a) the time…

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Q: A ball is thrown straight up with a speed of 55 m/s. How long does it take to return to its starting…

A: Initial velocity (u) =55 m/s When it hits the ground the net displacement will be zero. (Sy) =0 We…

Q: A truck covers 80 m in 16 s while uniformly slowing down to come to rest. What is the initial…

A: Given data :  Distance covered ,d = 80 m  Time taken by truck, t = 16 s  Final velocity , v = 0 m/s…

Q: A rock is thrown straight up with an initial velocity of 8.3 * 10' m/s. What maximum height will the…

A: