The person who first explained the blackbody spectrum was __________

Fill in the blank(s) with correct word


Max Planck

Physics & Space Science

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If the mass of the Earth decreased by a factor of two with no change in radius, your weight would

a. increase by a factor of 4. b. increase by a factor of 2. c. stay the same. d. decrease by a factor of 2. e. decrease by a factor of 4.

Physics & Space Science

Why did the Moon's internal heat escape more rapidly than Earth's?

What will be an ideal response?

Physics & Space Science

Ideal Gas Law: A quantity of an ideal gas is kept in a rigid container of constant volume. If the gas is originally at a temperature of 19°C, at what temperature will the pressure of the gas double from its original value?

A. 91°C B. 38°C C. 311°C D. 273°C E. 122°C

Physics & Space Science

A 900-kg car traveling east at 15.0 m/s suddenly collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together after the collision. What is the speed of the wreckage just after the collision?

A) 6.10 m/s B) 12.2 m/s C) 25.0 m/s D) 35.0 m/s E) 17.3 m/s

Physics & Space Science