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Physics

Amya Peck

A moving freight car collides with an identical one that is at rest. If momentum is conserved, what happens to the second car after the collision?

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Physics

Tyshawn Swanson

True or false: Fossil fuels transform chemical energy into other forms of energy.

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Physics

Bolton

A ship is moving with a constant acceleration of 36km/hr2 in a fixed direction speeds up from 12 km/hr to 18km/hr. Find the distance traveled by the ship in this period

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Physics

Lewis Aguirre

Which will have more resistance: 220V, 100W bulb or a 220V, 60W bulb?

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Physics

Winnie

What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east? explain how you did it

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Physics

Luca Fowler

According to newton's second law of motion, the acceleration of an object equals the net force acting on the object divided by the object's

a. momentum.

b. weight.

c. mass.

d. velocity.

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Physics

Maverick

What is a bicyclists velocity if it took it 45 seconds to travel 202.5 meters to the left

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Physics

Guest

What is the momentum of a 750-kg car traveling at a velocity ofa 25 m/s?

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Physics

Kiara Love

Technician A says that an engine's size is called displacement and represents the volume displaced or swept by all of the pistons. Technician B says that engine power is expressed in horsepower and based on the amount of torque or twisting force the engine produces. Which technician is correct?

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Physics

Serena Moran

Which kind of storm do you think would cause damage over a larger area A cyclone or a tornado why

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Physics

Guest

Which tuning fork would sound lower, one with frequency 512 Hz or 128 Hz?

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Physics

Shaun Bailey

Our solar system is located in the center of the milky way galaxy. true or false

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Physics

Villegas

A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to rise?

A. The molecules in the water move closer together.

B. The molecules in the thermometer's liquid spread apart.

C. The kinetic energy of the water molecules decreases.

D. The kinetic energy of the thermometer's liquid molecules decreases.

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Physics

Erik

If 30ml of a fluid has a mass of 63g what is it's density

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Physics

Francesca Warner

If we double the mass of the sun, what would happen to the gravitational force between the sun and earth?

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