A ball is dropped from the top of a cliff. the height of the cliff is 1000m.
a) how long does for the ball to hit the ground if the cliff is on earth (g= 9.80 m/s^2)?
b) how long does it take if its on the moon (g= 1.60 m/s^2)?
A ball is dropped from the top of a cliff. the height of the cliff is...
5. A ball is dropped from rest from the top of a building of height h 100.25 m friction, find (a) How long does it take the ball to hit the ground? (b) What speed (b) What speed does the ball travel the instant before it hits the ground?
1. A ball is thrown from the top of a 50 m high cliff with a velocity of 10 m/s @ 30 degrees. a. What is the time to the maximum height and what is the max height? b. How long does the ball take to hit the ground? c. What is the velocity of the ball when it hits the ground? d. What is the horizontal range when the ball hits the ground (total x)? 2. Consider the initial...
A ball is dropped from the top of a building 100 m high. (Ignore air resistance) a) How long does it take the ball to hit the ground? b) What is the speed of the ball when it hits the ground?
A ball is dropped from the top of a 68 m building. How long does it take for the ball to hit the ground? In the previous problem, what is the speed of the object the instant before it hits the ground?
1. A ball is tossed straight up from a height of 17 meters with an initial speed of 7.2 m/s. What is its height above ground in meters after 0.869 seconds? Use g = 9.80 m/s2 . Assume 3 significant figures in your answer. 2. Suppose you release an object from rest from a height of 7.08 meters. How long does it take the object to hit the ground if g = 9.80 m/s2? Assume 3 significant digits in...
A 3.00 kg ball is dropped from the roof of a building 176.4 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 12.0 N on it. a.)How far from the building does the ball hit the ground? b.)How long does it take to hit the ground? c.)What is its speed when it hits the ground?
7 A ball has a mass of 0.5 kg. Dropped from a cliff top, the all strikes the sea below at a velocity of 10 m/s. /s. a) What is the kinetic energy of the ball as it is about to b) What was its potential energy before it was c) From what height was the ball dropped? strike the sea? dropped? Repeat stages a, b, and c above to find the height t is a d) A stone of...
A ball has a mass of 0.5kg. Dropped from a cliff top, the ball strikes the sea below at a velocity of 10m/sec. a. What is the kinetic energy of the ball as it is about to strike the sea? b. What was its potential energy before it was dropped? c. From what height was the ball dropped? d. A stone of mass 1 kg also strkes the sea at 10m/sec. Repeat stages a, b and c above to find...
1. A beach ball with a mass of 500 g is dropped from a height of 5 m. The wind is blowing and exerts a steady 0.8 N force horizontally on the ball. ?-? 0.8U wind force 5 m time? ? distance? ? Suppose the ball is at rest when it is dropped. (a) How much time goes by before the ball hits the ground? (b) Where does the ball hit the ground? Give the distance measured horizontally from where...
1. Bowling Ball A is dropped from a point halfway up a cliff. A second identical bowling ball, B, is dropped simultaneously from the top of the cliff. Comparing the bowling balls at the instant they reach the ground, which of the following are correct? Neglect air resistance. (A) Ball A has half the kinetic energy and takes half the time to hit the ground as Ball B. (B) Ball A has half the kinetic energy and takes one-fourth the...