please help with question numbers 6,7,8 a=Fner/mAssessment/Homework:How much thrust must a 3.0 x 10* kg jet plane develop to achieve anacceleration of 1.5 m/s²?What acceleration will be produced by a force of 2.0 x 10 N on a 1.0 x 10° kg1.2.cart?3.Two forces are applied to a 2.0 kg block on a frictionless, horizontal surface.F, = 2.0 NF = 8.0 N2.0 kgFrictionless SurfaceWhat is the acceleration of the block?What is the magnitude of the net force acting on a 2.0 x 10° kg car as itaccelerates from rest to a speed of 15 m/s in 5.0 seconds?A man weighs 900 newtons standing on a scale in a stationary elevator. Ifsome time later the reading on the scale is 1200 newtons, describe the motionand direction of the elevator.4.5.A net force F causes mass m¡ to accelerate at rate a. A net force of 3F causesmass m2 to accelerate at rate 2a. What is the ratio of mass m to mass m2?A 0.60 kg softball initially at rest is hit with a bat. The ball is in contact withthe bat for 0.20 second and leaves the bat with a speed of 25 m/s. What is themagnitude of the average force exerted by the ball on the bat?A 1.2 x 10° kg car is accelerated uniformly from 10 m/s to 20 m/s in 5.0seconds. What is the magnitude of the net force acting on the car during this5.0 second interval?6.7.8.A net force of 5.0 x 10 newtons causes an object to accelerate at a rate of 5.0m/s. What is the mass of the object?9.

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6. A net force F causes mass mass m2 to accelerate at rate 2a. What is the ratio of mass mf to mass m2. A 0.60 kg softball initially at rest is hit with a bat. The ball is in contact with the bat for 0.20 second and leaves the bat with a speed of 25 m/s. What is the 7. magnitude of the average force exerted by the ball on the bat? A 1.2 x 10° kg car is accelerated uniformly from 10 m/s to 20 m/s in 5.0 seconds. What is the magnitude of the net force acting on the car during this nond interval? 8. elerate at a rate of 5.0

6. A net force F causes mass mass m2 to accelerate at rate 2a. What is the ratio of mass mf to mass m2. A 0.60 kg softball initially at rest is hit with a bat. The ball is in contact with the bat for 0.20 second and leaves the bat with a speed of 25 m/s. What is the 7. magnitude of the average force exerted by the ball on the bat? A 1.2 x 10° kg car is accelerated uniformly from 10 m/s to 20 m/s in 5.0 seconds. What is the magnitude of the net force acting on the car during this nond interval? 8. elerate at a rate of 5.0

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter7: Gravitation

Section: Chapter Questions

Problem 99A

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please help with question numbers 6,7,8

a=Fner/m
Assessment/Homework:
How much thrust must a 3.0 x 10* kg jet plane develop to achieve an
acceleration of 1.5 m/s²?
What acceleration will be produced by a force of 2.0 x 10 N on a 1.0 x 10° kg
1.
2.
cart?
3.
Two forces are applied to a 2.0 kg block on a frictionless, horizontal surface.
F, = 2.0 N
F = 8.0 N
2.0 kg
Frictionless Surface
What is the acceleration of the block?
What is the magnitude of the net force acting on a 2.0 x 10° kg car as it
accelerates from rest to a speed of 15 m/s in 5.0 seconds?
A man weighs 900 newtons standing on a scale in a stationary elevator. If
some time later the reading on the scale is 1200 newtons, describe the motion
and direction of the elevator.
4.
5.
A net force F causes mass m¡ to accelerate at rate a. A net force of 3F causes
mass m2 to accelerate at rate 2a. What is the ratio of mass m to mass m2?
A 0.60 kg softball initially at rest is hit with a bat. The ball is in contact with
the bat for 0.20 second and leaves the bat with a speed of 25 m/s. What is the
magnitude of the average force exerted by the ball on the bat?
A 1.2 x 10° kg car is accelerated uniformly from 10 m/s to 20 m/s in 5.0
seconds. What is the magnitude of the net force acting on the car during this
5.0 second interval?
6.
7.
8.
A net force of 5.0 x 10 newtons causes an object to accelerate at a rate of 5.0
m/s. What is the mass of the object?
9.

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