1) A comment is traveling in outer space with a velocity 2000 m/s. How long will it take to travel 300,000 meters?

2) An object has an initial velocity of 15 m/s. How long just is accelerate at a constant rate of 3 m/s2 before it's final velocity is equal to twice it's initial velocity?

3) An object has an initial velocity of 15 m/s. How long must it accelerate at a constant rate 3 m/s2 before it's final velocity is equal to twice its initial velocity?

4) The brakes on an elevator of weight 50,000 N act upward with a force of 100,000 N The acceleration of elevator while braking would be

5) Which of the following statements is Newton's Third Law of motion?

6) An object is moving in a circle of radius 2 m at a constant speed of 5 m/s. What is acceleration?

7) Centripetal Acceleration is

a) directly proportional to the velocity

b) directly proportional to the rad of curvature

c) Inversely proportional to the velocity

d) none of the above

8) A change in temperature of 50C is equal to a change

9) Which of these is not a state matter

a) solid

b) liquid

c) plasma

d) Ice

10) A piece of steel expands 10 Cm when it is heated from 20 to 49 deg C. how much would it expand if it was heated from 20 to 60 deg C? a) 10 cm

b) 20 cm

c) 30 cm

d) none of the above

11) A pendulum has a period of 5 second. what is it's frequency

12) The velocity of sound in a certain medium is 100 m/s. If sound wave has a frequency of 500 hz, the wavelength would be_____

13) An X-ray and a the red light from a laser

A) have the same frequency

b) are types of electromagnetic waves

c) need krypton to be produced

d) have nothing in common

14) Which of the following is the Carnot Effciency?

15) In order to double kinetic energy, the speed should be

16) a driver climbs up the stairs to the diving tower. The work he does climbing the stairs is:

a) Equal to half his kinetic energy just as he hits the water

b) Equal to half his potential energy just as he hits the water

c) equal to his kinetic energy just as he hits the water

d) equal to his potential energy just as he hits the water

17) For a given person, as the time needed to run up a flight of stairs decreases, the power_____

18) A satellite is 100 miles above the earth. It has a mass of 100 kg. If the mass of the satellite were doubled the force of gravity of the satellite on the earth would?

A) double

b) quadruple

c) be half as much

d) stay the same

19) Ohm's Law states that:

A) Current = Voltage / Resistance

B) Voltage = Current / Resistance

C) Voltage = power * time

D) Current = Voltage X Resistance