HESI Physics #2

What is the maximum height that a car traveling at 110 km/h can achieve when going up a hill? (Assume that only conservative forces are involved.)

What is the maximum distance that a 10 kg bicycle with a kinetic energy of 15 J can travel on a rough horizontal surface? (Assume μ=0.2)

Which of the following will decrease the current flowing through a circuit?

Which of the following is responsible for charging a substance A with a positive charge and a substance B with a negative charge?

If a baseball is launched horizontally from the top of a 15 m tall hill, with a velocity of 30m/s, how long would it take for it to fall to the ground?

Which of the following has the greatest momentum?

The diameter of a wheel is 0.30 m. If the wheel is on a car that is traveling at 8.0 m/s, what is the velocity of the wheel in rpm?

Which of the following colors of visible light has the greatest energy?

If a 10 cm object shows a height of 15 cm when placed 2.0 cm left of a concave mirror, what is the mirror’s focal length (measured toward the left of the mirror)?

A ball of wool is rubbed against a ball made of a novel material X. Afterwards, when the ball of wool is brought near a negatively charged rod, the rod moves away from the ball of wool. Which of the following is true?

What is the distance between two vehicles of mass 5 metric tons if the gravitational force between them is 1.6 x 10-5 N? (G = 6.7 x 10-11 N m2kg-2)

What is the name of the phenomenon that takes place when a wave encounters a small opening or obstacle?

A banked curve is safer than a flat curve because the ____ force required to keep the car from skidding is supplied by the horizontal component of the ____ force instead of friction.

Which of the following energies are present in a droplet of water falling down a waterfall?

What is the voltage in a series circuit that has a current of 10 A flowing through a resistance of 3 Ω and a resistance of 5 Ω?