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Physics

Cael

Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car acceleration?

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Physics

Carroll

Why can crevasses in glaciers only be 50 meters deep?

A. Plastic flow occurs below that depth.

B. Glaciers cannot be thicker that 50 Meters.

C. Surges prevent plastic flow below that depth.

D. Basal slip occurs below that depth.

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Physics

Trent Gallegos

What are the changes to Earth's surface that occur as a result of plate movement

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Physics

Bryanna Walls

Two spaceships are approaching each other. (a) If the speed of each is 0.9c relative to Earth, what is the speed of one relative to the other? (b) If the speed of each relative to Earth is 30,000 m/s (about 100 times the speed of sound), what is the speed of one relative to the other?

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Physics

Aisha Rivers

Mechanical work is done an object when a force displaces the object in the direction of the force or a component of the force.

True or false?

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Physics

Ashley Mcclure

Electric current can best be induced in a wire by

a. stretching the wire.

b. moving a magnet up and down near the wire.

c. setting the wire near a magnet.

d. rotating the wire. E. none of the above

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Physics

Parker Bray

A car traveled 176 miles on 6.4 gallons of fuel the car averaged how many miles per gallon

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Physics

Tyrese Mays

Which of these describes how heat is transferred by radiation?

A.) Warm air rises and takes heat with it; eventually it cools and sinks.

B.) Sunlight travels through space without the aid of fluids or solids.

C.) Air at the equator rises and sinks at the poles.

D.) Air molecules touch the warm ground, heating them up.

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Physics

Elian Schroeder

A body is moving with a velocity of 12m/s and it comes to rest in 2 minutes, what was the acceleration?

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Physics

Yosef

How can you find magnitude of velocity from a displacement time graph of an object?

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Physics

Kimberly Haney

Consider two rocks with masses of 1 and ten kilograms. What is the relation between their inertia's? Between their masses? Between their weights on earth?

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Physics

Jewel

If a cart of 4 kg mass has a force of 8 newtons exerted on it, what is its acceleration?

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Physics

Celia

Why does the liquid thermometer work?

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Physics

Madisen

What energy do electrons have when they are farther away from the nucleus?

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Physics

Guest

200

525000

lololo

Boat A is 10 km north of a port.

Boat B is 5 km east of the same port.

Boat A sails in a straight line towards boat B.

Work out the bearing on which boat A sails.

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