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Questions tagged 'Acceleration'

22 questions

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Anonymous

Feb 12, 2025

unbalanced forces question?

A mother exerts a force (F) on her child in a moving elevator. If the child has a mass of 19.9 kg, calculate the magnitude of the force the mother exerts on the child under the following conditions:...

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Anonymous

Feb 12, 2025

A cyclist accelerates from rest at a rate of 1.00 m/s2. How fast will a point on the rim of the tire?

A cyclist accelerates from rest at a rate of 1.00 m/s². How fast will a point on the rim of the tire (diameter = 68 cm) at the top be moving after 1.1 seconds? Please note that at any moment, the lowe...

A Cessna aircraft has a lift-off speed of 120 km/h.?

A Cessna aircraft has a lift-off speed of 120 km/h. (a) What is the minimum constant acceleration required for the aircraft to become airborne after a takeoff run of 220 meters? (b) How long does it...

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Anonymous

Jan 01, 2025

A house painter uses the chair and pulley arrangement of the figure to lift himself up the side of a house.

A house painter uses a chair and pulley arrangement, as shown in the figure, to lift himself up the side of a house. The painter has a mass of 70 kg, and the chair has a mass of 10 kg. What force must...

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Anonymous

Jan 01, 2025

What is the magnitude of the scooter’s acceleration?

A net force of 6.8 N accelerates a 31 kg scooter across a level parking lot. What is the magnitude of the scooter’s acceleration? A. 0.22 m/s² B. 0.69 m/s² C. 3.2 m/s² D. 4.6 m/s² Additionally, an a...

Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figure below, where m1 = 16 kg and m2 = 28?

Two boxes of fruit are placed on a frictionless horizontal surface and connected by a light string, as shown in the figure (link: https://www.webassign.net/sercp9/4-p-069-alt.gif). The masses of the b...

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Anonymous

Dec 06, 2024

Physics problem Help ?

The problem is as follows: A block of mass ( m_A ) rests on a smooth horizontal surface, while another block of mass ( m_B ) hangs vertically. If ( m_A = 13.0 \, \text{kg} ) and ( m_B = 3.0 \, \text...

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Anonymous

Dec 05, 2024

Physics question help!?

The free-fall acceleration at the surface of Planet 1 is 22 m/s². The radius and mass of Planet 2 are both twice those of Planet 1. What is the free-fall acceleration on Planet 2?

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Anonymous

Dec 04, 2024

What is the answer to this physics question?

Suppose you push a hockey puck of mass ( m ) across frictionless ice for a time ( \Delta t ), starting from rest, which gives the puck a speed ( v ) after traveling a distance ( d ). If you repeat the...

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Anonymous

Dec 01, 2024

Physics Help ASAP In each of the two free-body diagrams, the forces are acting on a 3.0kg object.?

In each of the two free-body diagrams, forces are acting on a 3.0 kg object. A) Diagram A B) Diagram B Part A: Find the value of ( a_x ), the x-component of the acceleration in diagram (A). Part B:...