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You throw a ball vertically at a height H. What height does the ball have to reach for it to spend twice as long in the air? (Note: you need to get an equation)
The height of a ball thrown vertically upward from a rooftop is modelled by y=-5t^2+20t+50 , where h(t) is the ball's height above the ground , in meters , at time t seconds after the throwa) Determine the max height of the ballb) how long does it take for the ball to reach its max heightc) How high is the rooftop
A ball is dropped from a height 24 m above the ground at t=0.0. Each time it bounces from the ground, its rebound speed is 60% of its impact speed. At the instant the first ball hits the ground, a second ball is released from the same place. Take g = 9.8 m/s2. At what height above the ground will they collide? (Take the ground as y=0.0 m)
A ball is dropped from a height 24 m above the ground at t=0.0. Each time it bounces from the ground, its rebound speed is 60% of its impact speed. At the instant the first ball hits the ground, a second ball is released from the same place. Take g = 9.8 m/s2. At what height above the ground will they collide? (Take the ground as y=0.0 m)
5. Problems 2.5 The height of a ball that is thrown straight up with a certain force is a function of the time (t) from which it released given by At)--0.5 g40r (where g is a positive constant determined by gravity) The time at which the ball is at its maximum height depends on the parameter g, and is given by * Substituting t* back into the function f(t) yields f(t*) - dfíi*) ,the derivative (with respect to g) of...
A ball is dropped from rest at a height h. Directly below on the ground, a second ball is simultaneously t thrown upwards with a speed of vc. The two balls collide at the moment that the second ball is instantaneously at rest. (They collide when the second ball is at its maximum height.) What is the height of the collision? At what time does the collision occur if both balls' motion stated at t = 0 s?
please show work!
9. A 2-kg ball is dropped out of a w is dropped out of a window from a height of 12 meters (Point A). It hits the grow and bounces back up to a height of 8 meters above the ground (Point). a. What is the potential energy of the ball at points A and C b. What is the velocity of the ball just before and just after it hits the ground (points B and B')?...
(c) The ball is at its maximum height after _____
seconds.
(d) The maximum height of the ball is ______ meters
(e) The ball traveled a total horizontal distance of _______
meters.
(ROUND TO TWO DECIMAL PLACES)
A baseball player throws a baseball with an initial speed of 155 feet per second at an angle of 23 to the horizontal. The ball leaves his hand at a height of 6 feet. (a) Find parametric equations that describe the position of...
A ball is dropped from a height h. Another ball is launched vertically . The two balls meet at h/2. What is the expression of v1 launched in terms of t?
A ball is dropped from a height of 5 m. Can a motion map, v-t, or a-t graph be included as well please?