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Great Assignment Help Questions

A lever is used to lift a heavy rock that weighs 1000 newtons.

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Posted: 25-08-2022

An elevator lifts a 500 kg load up a distance of 10 meters in 8 seconds.

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Posted: 25-08-2022

Sal has a weight of 500 N. How many joules of work has Sal done against gravity when he reaches 4 meters high on a rock climbing wall?

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Posted: 25-08-2022

Your neighbor’s car breaks down. You and a friend agree to push it two blocks to a repair shop while your neighbor steers.

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Posted: 25-08-2022

A demolition derby is a car-crashing contest. Suppose an 800-kg car moving at 20 m/sec crashes into the back of and sticks to a 1200-kg car moving at 10 m/sec in the same direction.

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Posted: 25-08-2022

A 1000-kg car uses a braking force of 10,000 N to stop in 2 seconds.

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Posted: 25-08-2022

A 2-kilogram ball is accelerated from rest to a speed of 8 m/sec.

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Posted: 25-08-2022

Draw a speed vs. time graph for a car that starts at rest and steadily accelerates until it is moving at 40 m/sec after 20 seconds.

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Posted: 24-08-2022

Determine your average walking speed. How long would it take you to walk 2,462 miles (3,962 km) from New York to Los Angeles?

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Posted: 24-08-2022

Given a ruler, a stopwatch, a tennis ball, a 1-meter long piece of string, a rubber band, tape, and 10 pieces of paper, design an experiment.

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Posted: 24-08-2022

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