If a human jumping can be treated as a projectile, what is the maximum range obtainable by a person if he has a take-off speed of 9.55 m/s? Assume negligible air resistance and the person begins and ends their jump at ground height. Projectile Motion *If a human jumping can be treated as a projectile, what is the maximum range obtainable by a person if he has a take-offspeed of 9.55 m/s? Assume negligible air resistance and the person begins and ends their jump at ground height.

Given: Projectile motion of a person. Take-off speed of the person is u=9.55 m/s Person begins and…

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Physics

what is the maximum range obtainable by a person

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 28PE: (a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by...

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(a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up a 32° ramp at a speed of 40.0 m/s (144 km/h). How many buses can he clear if the top of the takeoff ramp is at the same height as the bus tops and the buses are 20.0 m long? (b) Discuss what your answer implies about the margin of error in this act—that is, consider how much greater the range is than the horizontal distance he must travel to miss the end of the last bus. (Neglect air resistance.)
A person standing at the top of a hemispherical rock of radius R kicks a ball (initially at rest on the top of the rock) to give it horizontal velocity vi as shown in Figure P3.56. (a) What must be its minimum initial speed if the ball is never to hit the rock after it is kicked? (b) With this initial speed, how far from the base of the rock does the ball hit the ground?
Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle being neither 0° nor 90°) (a) Is the velocity ever zero? (b) When is the velocity a minimum? A maximum? (c) Can the velocity ever be the same as the initial velocity at a time other than at t=0 ? (d) Can the speed ever be the same as the initial speed at a time other than at t=0 ?
A ball is kicked with an initial velocity of 16 m/s in the horizontal direction and 12 m/s in the vertical direction. (a) At what speed does the ball hit the ground? (b) For how long does the ball remain in the air? (c)What maximum height is attained by the ball?
6. In the skateboarder scenario below, a Determine the skater's vertical displacement during the jump? b) To the nearest hundredth of a second, determine how long was the skateboarder in the air? A skateboarder rolls horizontally off the top of a staircase at a speed of m 14.5 m/s and lands at bottom of the stairs. The staircase has a horizontal length of 8.00 m. We can ignore air resistance.
Question 6 Three moles of an ideal monatomic gas are at a temperature of 245 K. Then, 2438 J of heat are added to the gas, and 962j of work are done on it. What is the final temperature of the gast 436 K O 236 K
* The lob in tennis is an eff ective tactic when your opponent isnear the net. It consists of lofting the ball over his head, forcing him tomove quickly away from the net (see the drawing). Suppose that youlob the ball with an initial speed of 15.0 m/s, at an angle of 50.08 abovethe horizontal. At this instant your opponent is 10.0 m away from theball. He begins moving away from you 0.30 s later, hoping to reach
A child travels down a water slide , leaving it with a velocity of 4.2 m/s horizontally . The child then experiences projectile motion , landing in a swimming pool 3.2 m below the slide. a For how long is the child airborne time for which child remain in the air) b Determine the child's horizontal displacement while in the air Determine the child's velocity upon entering the water.
A stuntman tries to jump from a ledge over an 8 m gap onto a mattress that is 3 m below the current position. To do so, the stuntman runs to the edge of the ledge at a constant speed and leaps off in the horizontal direction with this speed. Describe your strategy to find the minimum speed with which the stuntman needs to run to land on the mattress Group of answer choices a) Find t from the vertical position equation. With this t, solve horizontal position equation to obtain v_initial b) Find t from the vertical velocity equation. With this t, solve horizontal position equation to obtain v_initial. c) Find t from the vertical velocity equation. With this t, solve horizontal velocity equation to obtain v_initial. d) Find t from the vertical position equation. With this t, solve horizontal velocity equation to obtain v_initial
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student throws a heavy red ball horizontally from a balcony of a tall building with aninitial speed v0. At the same time, a second student throws a lighter blue ball horizontally fromthe same balcony with an initial speed v0 /2. Ignoring air resistance, which of the followingstatements must be true?a. The red ball hits the ground with the greater speed.b. Both balls hit the ground with the same vertical velocity component.c. Both balls hit the ground with the same angle of impactd. The balls reach the ground at the same instant. More than one of the statements can be true.
Sample problem in which the projectile is launched with initial horizontal velocity only and then undergoes projectile motion: 1. A child travels down a water slide, leaving it with a velocity of 4.2 m/s horizontally. The child then experiences projectile motion, landing in a swimming pool 3.2 m below the slide. a) For how long is the child airborne? b) Determine the child's horizontal displacement while in the air. c) Determine the child's velocity upon entering the water.