An object is thrown upwards with a velocity of 30 m/s near the surface of the earth. After two seconds what would be the direction of the displacement, velocity and acceleration? Displacement velocity acceleration Select one: a. up b. up c. down O d. up e. up down up down down up down up down up down

An object is thrown upwards with a velocity of 30 m/s near the surface of the earth. After two seconds what would be the direction of the displacement, velocity and acceleration? Displacement velocity acceleration Select one: a. up b. up c. down O d. up e. up down up down down up down up down up down

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 76P: The CERN particle accelerator is circular with a circumference of 7.0 km. (a) What is the...

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The CERN particle accelerator is circular with a circumference of 7.0 km. (a) What is the acceleration of the protons (m=1.671027kg)that move around the accelerator at 5of the speed of light? (The speed of light is v=3.00108m/s .) (b) What is the force on the protons?
A hot-air balloon rises from ground level at a constant velocity of 3.0 m/s. One minute after liftoff, a sandbag is dropped accidentally from the balloon. Calculate (a) the time it takes for the sandbag to reach the ground and (b) the velocity of the sandbag when it hits the ground.
A speedboat moving at 30.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of -3.50 m/s2 by reducing the throttle, (a) How long does it take the boat to reach the buoy? (b) What is the velocity of the boat when it reaches the buoy?
A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20105 m/s2 for 8.10104 s. What is its muzzle velocity (that is, its final velocity)?
A cliff diver hits the water 3.5 s after they jumped, and the jump was horizontal with a speed of 2.6 m/s. a.) How high was the cliff? b.) How far from its base did the diver hit the water?
A ball is rolled on a flat surface with an initial velocity of 2 m/s. a.) What is the ball’sacceleration if it was found 15 meters away from its starting position after 5 seconds? b.) What is the ball’s velocity at a distance 20m? c.) How long will the ball travel to achieve avelocity of 20 m/s?
son login student... O CUNY Login A ball player catches a ball 3.04 s after throwing it vertically upward. openvellum.ecollege.com Course Home ▼ Part A v0 = Submit With what speed did he throw it? Express your answer to three significant figures and include the a Part B y = O Submit Value y blackboard login - Ya... μA Value Request Answer + μÀ MacBook Air What height did it reach? Express your answer to three significant figures and include the C P Pearson C Units m Previous Answers Request Answer y numeric numb ? ? Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permis
A tennis ball is fired horizontally from a tube 2.7 m above the ground at 1.6 m/s. The diagram below shows this scenario. How long will it take for the ball to reach the ground? A. 0.16 s B. 0.55 s C. 0.74 s D. 3.6 s How far will the ball travel horizontally before reaching the ground? A. 1.2 m B. 1.9 m C. 2.2 m D. 3.0 m
If an astronaut can jump straight up to a height of 0.50 m on earth, how high could he jump on the moon?A. 1.2 m B. 3.0 m C. 3.6 m D. 18 m
Eris Boreas pitched a baseball upward from the ground with a remarkable velocity of 192 ft/sec. The motion of the ball can be described by the equation s = -16t2 + vot + So. where s feet is the height of the object at t seconds, so feet is its initial height, and vo is its initial velocity. a. Write the equation that describes the ball's motion. b. How high will the baseball go? c. How long will it take for the baseball to reach its highest point? d. Find the instantaneous velocity of the ball at 4 seconds. e. Find the speed of the ball when it reaches the ground.
A tennis ball is struck from a height of one meter above the ground, with a horizontal velocity of eight meters per second. The ball strikes a wall three meteres horizontally from where the motion began. a. Express the ball's kinematic variables in unit vector notation b. How long will it take for the ball to reach the wall? c. How high up on the wall will the ball strike? d. How fast will the ball be moving, and in what direction, when it strikes the ball?
Choose the one-dimensional motion with constant acceleration equation below that was best to use in today's lab to solve for acceleration due to gravity: A. " = v, + at B. Ax = 6t + sal C. v = v,? + 2aAx %3D O none of the above