a ball of mass m=1kg takes 2 secomds to reach thr ground，caculate the height，ignore the friction...

Question

Question

a ball of mass m=1kg takes 2 secomds to reach thr ground，caculate the height，ignore the friction of the air

science physics

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

a ball of mass 1kg is dropped from a height of 3 m. assume no air...

a ball of mass 1kg is dropped from a height of 3 m. assume no air resistance. after it bounces off the ground it only reaches a height of 2 m. what is the change in momentum of the before and after the bounce?
the mass of the ball is 1kg. Problem 2: A ball is thrown from the top...

the mass of the ball is 1kg. Problem 2: A ball is thrown from the top of a 50m building, with an initial velocity vi = 80 at an angle of 0 = 25° a) [4 points] Find the time taken to reach the ground and the range (horizontal distance) to the point of the impact b) 17 points) Find the magnitude and direction of the velocity at the moment of impact. c) 12 points) If the ball does not...
A cannon shoots a cannonball from the ground level (ignore the height of the cannon) towards a cliff of height h = 170 m

A cannon shoots a cannonball from the ground level (ignore the height of the cannon) towards a cliff of height h = 170 m. The cannonball is launched with an initial velocity of 110 m/s at an angle of 64° above the horizontal. Neglect air resistance. Assume the cannonball hits the cliff as it descends (on its way down) exactly at the edge, as shown. a. Determine the maximum height above the ground reached by the cannonball.b. What speed will the...

A ball is thrown straight up into the air from the ground at a speed of...

A ball is thrown straight up into the air from the ground at a speed of 0.2 m/s. Determine A) the maximum height to which the ball rises and B) time it takes to reach the maximum height. 2.
A ball of mass 500 g is dropped from a height of 9.2 m. If it...

A ball of mass 500 g is dropped from a height of 9.2 m. If it is found to reach the ground with a final speed of 8.5 m/s, calculate the work done by the air resistance that it must have experienced on its descent. 1. 18 J 2. 45 J 3. OJ 4. 27 J 5. 27,000 J 6. None of these
A ball is thrown from an initial height of 3.2 m above the ground. Its initial...

A ball is thrown from an initial height of 3.2 m above the ground. Its initial velocity is 6.5 m/s at an angle of 22◦ above the horizontal. (a) How much time does the ball spend in the air? (b) How much time does it take for the ball to reach its maximum height? Take g = 9.81 m/s2

A tennis ball is dropped from a height of 5 m to the ground and the ball rebounded to a height of 4 m

A tennis ball is dropped from a height of 5 m to the ground and the ball rebounded to a height of 4 m. If the mass of the basketball is 1.0 kg and it is in contact with the floor for 50 ms, determine the average force exerted by the ground to the basketball.
A 900 g rubber ball is dropped from height 17.5 m, and it rebounds to height...

A 900 g rubber ball is dropped from height 17.5 m, and it rebounds to height 5.17 m. Assuming there is no air friction and the average force exerted by the ground is 24.5 N, find the time the ball was in contact with the ground.
A ball is shot from the ground into the air. At a height of 9.40 m,...

A ball is shot from the ground into the air. At a height of 9.40 m, the velocity is observed to be v = (7.80 m/s) i + (6.40 m/s) j. What is the maximum height that the ball will rise? What will be the total horizontal distance traveled by the ball? What is the x-component of the final velocity of the ball? What is the y-component of the final velocity of the ball when it lands back on the...

A ball is shot from the ground into the air. At a height of 9.80 m,...

A ball is shot from the ground into the air. At a height of 9.80 m, its velocity is v = (8.50i + 4.00j) m/s, with i horizontal and j upward. To what maximum height does the ball rise? What total horizontal distance does the ball travel? What is the magnitude of the ball's velocity just before it hits the ground? What is the angle (below the horizontal) of the ball's velocity just before it hits the ground?