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Questions tagged 'Force'

8 questions

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Anonymous

Feb 10, 2025

What is the force of air on the parachute if…?

A parachute jumper with a mass of 50 kg descends steadily at a speed of 40 km/h. What is the force exerted by the air on the parachute? Can someone explain?

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Anonymous

Jan 04, 2025

If a child pulls a sled through the snow with a force of 50 N exerted at an angle of 39° above the horizont…

A child is pulling a sled through the snow with a force of 50 N, applied at an angle of 39° above the horizontal. What are the horizontal and vertical components of this force? Please provide detailed...

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Anonymous

Dec 29, 2024

A 12-kg hammer strikes a nail at a velocity of 8.5m/s?

A 12-kg hammer strikes a nail with a velocity of 8.5 m/s and comes to rest in a time interval of 8.0 ms. (a) What is the impulse imparted to the nail? (b) What is the average force exerted on the nail...

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Anonymous

Dec 28, 2024

What is its velocity at x=1m, 2m, and 3m?

A 600 g particle moving along the x-axis experiences a force as shown in the figure. The particle's initial velocity is 2.0 m/s at x = 0 m. What is its velocity at x = 1 m, 2 m, and 3 m? I would appre...

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Anonymous

Nov 15, 2024

What is the impulse on a 3.0 {rm kg} particle that experiences the force described by the graph?

"Here is the figure illustrating the force experienced by a 3.0 kg particle: http://session.masteringphysics.com/problemAsset/1... What is the impulse exerted on the particle based on the force descri...

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Anonymous

Nov 13, 2024

What is the acceleration of the baseball?

A batter strikes a baseball with a mass of 0.15 kg using a force of 18 kN. What is the acceleration of the baseball? (Points: 3) 1. 9.8 m/s² 2. 120,000 m/s² 3. 2,700 m/s² 4. 8.3 m/s² A block of met...

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Elroy Tromp

Oct 30, 2024

What force is exerted if the spring constant is 160 N/m?

An orthodontic spring, connected between the upper and lower jaws, is adjusted so that it exerts no force when the mouth is open. However, when the patient closes their mouth, the spring compresses by...

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Anonymous

Oct 25, 2024

What average force is needed to accelerate a 7.00-gram pellet from rest to 125 m/s^2 over a distance of 0.800m along the barrel of a rifle?

What is the average force required to accelerate a 7.00-gram pellet from rest to a velocity of 125 m/s, given that the acceleration occurs over a distance of 0.800 meters along the barrel of a rifle?