The specific heat of sample X is 0.217 calgC. If153 calories are added to 38.1 g sample X by how much would the temperature of a substance change?

Question 1 options:

	8.3C
	none of these
	18.5C
	0.87C
	1265C

Question 2 (5 points)

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The distance between Planet X and the sun is 9.3107miles. If sunlight travels at a velocity of about 1.86105, how long does light take to each the surface of Planet X?

Question 2 options:

	500 minutes
	none of these
	8.3 minutes
	5.0 seconds
	2.5 seconds

Question 3 (5 points)

Saved

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A serving of Fritos has 160 Calories which means it actually has

Question 3 options:

	none of these
	1600 kilocalories.
	16 kilocalories
	160,000 calories.
	160 calories

Question 4 (5 points)

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A ball with a mass of 50 g moves from rest to rolling across a park with a velocity of 0.10 m/s in 5 s. How much force does it exert on the grass?

Question 4 options:

	1.0 N
	none of these
	2.5 N
	0 .25 N
	0.001 N

Question 5 (7 points)

Saved

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A 200 g cube of ice at 0Cmelts and the resulting water vaporizes into steam at 110C, the total amount of heat absorbed is ___________.

Question 5 options:

	108,000 calories
	none of these
	20,000 calories
	16,000 calories
	145,000 calories

Question 6 (7 points)

Saved

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How much power is expended when a 5.0 kg mass is lifted to a height of 20.0 m in 25.0 seconds?

Question 6 options:

	none of these
	39.2 W
	981.0 W
	4.0 W
	0 W

Question 7 (7 points)

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What is the difference in the linear momentum of a 900 kg car travelling at 30 m/s and a 1000 kg SUV travelling at 20 m/s?

Question 7 options:

	20,000 kgms
	none of these
	27000kgms
	7000kgms
	47,000kgms

Question 8 (7 points)

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Sound travels at an estimated speed of 344ms at 0 C. If a sound wave has a frequency of 2500 Hz. What is the distance between the crests of each wave?

Question 8 options:

	0.138 m
	none of these
	7.27 m
	0.115 m
	8.60105m

Question 9 (7 points)

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To deter speeding through a residential area, the Police set up a speed trap on Illusion Drive. Between the hours of 3:00 pm and 6:00 pm, they time vehicles over a 150 meter distance. If the speed limit is 35 mph, what is the fastest time a driver can take to cover this distance so (s)he DOES NOT receive a ticket?

Question 9 options:

	none of these
	1.0 minutes
	10 seconds
	0.015 seconds
	15 seconds

Question 10 (3 points)

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A mass m moving with a velocity v is has velocity tripled. If the mass continues to travel along the same straight line, its new momentum will be

Question 10 options:

	changed in direction but not in magnitude
	remain the same
	not changed in either magnitude or direction
	equal to three times the original momentum
	decreased to of the original momentum

Question 11 (3 points)

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A sound with a frequency of 11 Hz is in the ______________ region of the sound spectrum.

Question 11 options:

	visible
	invisible
	ultrasonic
	infrasonic
	audible

Question 12 (3 points)

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If a piece of ribbon were tied to a stretched string carrying a transverse wave, how would the ribbon be observed to oscillate?

Question 12 options:

	Perpendicular to the wave motion
	Parallel to the wave motion
	Neither (A) nor (B)
	Both (A) and (B)

Question 13 (3 points)

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An object of mass 2 kg has a speed of 6 m/s and moves a distance of 8 m. What is its kinetic energy in joules?

Question 13 options:

	none of these
	36
	16
	48
	385

Question 14 (3 points)

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Resonance occurs when

Question 14 options:

	an object produces a sound.
	two different objects produce beats.
	none of these
	an object having a certain natural frequency is set in vibration by a second object vibrating at that frequency
	two different objects vibrate with different frequencies.

Question 15 (3 points)

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The mass of a 10 N sack of potatoes is ____________

Question 15 options:

	none of these
	10.2 kg
	100 kg
	1.02 kg
	0.102 kg

Question 16 (3 points)

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Currently, in the United States, which fuel is utilized to produce the majority of electrical power?

Question 16 options:

	hydro
	Nuclear
	Oil
	Coal
	Natural gas

Question 17 (3 points)

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Sound is a(n)

Question 17 options:

	none of these
	longitudinal wave.
	transverse wave.
	standing wave.
	electromagnetic wave.

Question 18 (3 points)

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The ______________ distance is used in calculating work.

Question 18 options:

	parallel
	square of
	none of these
	normal
	perpendicular

Question 19 (3 points)

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Which of the following is a vector quantity

Question 19 options:

	all of these
	work
	none of these
	energy
	power

Question 20 (3 points)

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Which of the following is not a dwarf planet?

Question 20 options:

	Mercury
	Ceres
	Pluto
	All of these are dwarf planets
	Eris

Question 21 (3 points)

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Any quantity that is capable of producing motion is called

Question 21 options:

	momentum
	fundamental quantity
	a mass
	a force
	energy

Question 22 (3 points)

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. For a transverse mechanical wave, the particle motion is

Question 22 options:

	both parallel and perpendicular to the direction of the wave velocity.
	parallel to the direction of the wave velocity
	perpendicular to the direction of the wave velocity
	in all directions

Question 23 (3 points)

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The planet Earth

Question 23 options:

	is the smallest of the terrestrial planets.
	has retrograde motion.
	a one of the Jovian planets
	is the closest planet to Venus.
	has a unique circular orbit.

Question 24 (3 points)

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An object has kinetic energy of 324 J. If its speed is 9 m/s, what is its mass?

Question 24 options:

	324
	36
	8
	4.5
	1620