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Questions (21)

Derek the drunk driver drives his car off the road, onto a gravel strip next to the road. Derek does not have anti-lock brakes,
1. 1 answer
2. 765 views
(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along
1. 1 answer
2. 2,025 views
A hole in an aluminum plate has a diameter of 1.465 cm at 22.80° C.(a) What is the diameter of the hole at 199.0° C (to four
1. 1 answer
2. 662 views
(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along
1. 2 answers
2. 1,370 views
Suppose 560.0 J of heat is added to a 111-g piece of aluminum at 23.0° C. What is the final temperature of the aluminum?
1. 0 answers
2. 584 views
A water tank springs a leak. Find the speed of water emerging from the hole if the leak is 2.5 m below the surface of the water,
1. 1 answer
2. 1,336 views
A horizontal pipe contains water at a pressure of 108 kPa flowing with a speed of 1.5 m/s. The pipe narrows to one-half its
1. 0 answers
2. 909 views
A train on one track moves in the same direction as a second train on the adjacent track. The first train, which is ahead of the
1. 1 answer
2. 2,778 views
A stationary horn emits a 135-Hz tone. What frequency is heard by a passenger on a train which is moving towards this horn with
1. 1 answer
2. 580 views
When a 0.30-kg mass is attached to a vertical spring, the spring stretches by 15 cm. How much mass (total) must be attached to
1. 2 answers
2. 1,101 views
A 0.38-kg mass attached to a spring undergoes simple harmonic motion with a period of 0.63 s. What is the force constant of the
1. 2 answers
2. 1,893 views
The position of a mass oscillating on a spring is given by x = (5.6 cm) cos [2πt / (2.03 s)].(a) What is the period of this
1. 1 answer
2. 1,624 views
A child exerts a tangential 41.9-N force on the rim of a disk-shaped merry-go-round with a radius of 2.25 m. If the
1. 0 answers
2. 600 views
A delivery truck with a mass of 1700 kg is stopped in the street w/o its brakes on, when a small car hits it from behind. The
1. 4 answers
2. 1,152 views
A delivery truck with a mass of 1700 kg is stopped in the street w/o its brakes on, when a small car hits it from behind. The
1. 0 answers
2. 650 views
After fixing a flat tire on a bicycle you give the wheel a spin.(a) If its initial angular speed was 5.41 rad/s and it rotated
1. 2 answers
2. 2,270 views
A pulley rotating in the counterclockwise direction is attached to a mass suspended from a string. The mass causes the pulley's
1. 2 answers
2. 1,901 views
A spot of paint on a bicycle tire moves in a circular path of radius 0.27 m. When the spot has traveled a linear distance of
1. 1 answer
2. 1,392 views
A spot of paint on a bicycle tire moves in a circular path of radius 0.27 m. When the spot has traveled a linear distance of
1. 2 answers
2. 821 views
To make a bounce pass, a player throws a 0.60-kg basketball toward the floor. The ball hits the floor with a speed of 6.5 m/s at
1. 0 answers
2. 607 views
A 82-kg astronaut and a 1300-kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite,
1. 1 answer
2. 743 views

Answers (2)

thank you so much. i'll get working on this.
thank you. but i don't think this is the answer they are looking for :(. hypothetically, can we assume elasticity?

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