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com a A box is falling from a building starting from Test at height H=10 m....
A 0.2 Kg ball is dropped with no initial velocity from a height of 6 m. It drops vertically with no air drag, it hits the flat, concrete ground and re-bounces upward in a vertical direction reaching a maximum height of 4 m. (i) Calculate the speed of the ball when it hit the ground. (ii) Calculate the speed of the ball when it began moving upward. (iii) Calculate the magnitude of the impulse provided by the ground to the...
The height h (in feet) of an object falling from a tall building is given by the function h(t) 400 16, where t is the time elapsed in seconds (a) After how many seconds does the object strike the ground? (b) What is the average velocity of the object from t- o until it hits the ground? (c) Find the instantaneous velocity of the object after I second ft/sec Find the instantaneous velocity of the object after 2 seconds. ft/sec...
A 2.00-kg-box, starting from rest, slides down a frictionless
incline. The incline makes and angle of ? = 30? from the horizontal
and is fixed to a table. The incline has a maximum height of h =
0.500 m above the table that is itself H = 2.00 m above the ground.
(a) Find the accleration of the box during the sliding period. (b)
What is the velocity of the box as it leaves the table. (c) What
horizontal distance...
You have to catch a falling box of light bulbs with a mass of 10 kg and bring the box of light bulbs to rest without breaking, while the box of light bulbs was falling with a velocity of 5 m/s. What is the minimum amount of time you should use to stop the bulbs from moving if they will break with only 150 N of force?
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?
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?
Bullet is fired upward from top of a building that is 100.0m tall. If the speed of the bullet is 660m/s when it leaves muzzle --what is the maximum height that the bullet reaches above ground ? ----how long will it take the bullet to hit the ground ?
a ball with mass 0.15 kg is thrown upward with initial velocity 20 m/sec from the roof of a building 30 m high. there is a force due to air resistance of |v|/30, where velocity v is measured in m/sec.a. find the maximum height above the ground the ball reaches.b. find the time the ball hits the ground.you cannot use the kinematic equations.
If a ball is thrown upward from a building 30 m tall and the ball has a vertical velocity of 25 m/s, then its approximate height above the ground t seconds later is given by h(t) = 30 + 25t - 5t^2 a. After how many seconds does the ball hit the ground? b. What is the domain of h? c. How high does the ball go?
7) A certain freely falling object, released from rest, requires 1.45 s to travel the last 37.0 m before it hits the ground. (a) Find the velocity of the object when it is 37.0 m above the ground. (Indicate the direction with the sign of your answer. Let the positive direction be upward.) m/s (b) Find the total distance the object travels during the fall. 8) A motorist drives north for 35.0 minutes at 69.5 km/h and then stops for...