Physics » Page 99

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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Physics

Nathaniel Long

Is Li greater than He on the periodic table?

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Physics

Darion

White light falls on a yellow filter, if:

(a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?

(b) A blue filter is placed behind a yellow filter, what is the colour of the light that will emerge from the blue filter?

(c) A magenta filter is placed behind a yellow filter, what is the colour of the light that will emerge from the magenta filter?

(d) In all cases give reasons for your answer.

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Physics

Immanuel Stephens

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation

and substitution with units.]

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Physics

Craig Moore

If the weight is 950 newtons, what is the mass?

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