AP Physics 1- AP Exam Review

A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

• 60 J
• 600 J
• 17 J
• 2.4 J

Which has a greater momentum a semi-truck at rest or a bicycle in motion?

• truck
• bicycle
• neither has momentum
• same

Tags

NGSS.HS-PS2-2

On a graph showing distance versus time, a horizontal line represents an object that is

• moving at constant speed
• decreasing its speed
• increasing its speed
• not moving

Tags

NGSS.MS-PS3-1

What is the horizontal acceleration of a projectile?

• 0 m/s²
• 9.8 m/s²
• 4.9 m/s²
• -9.8 m/s²

What determines the strength of gravitational attraction between two objects?

• mass and distance
• size and mass
• density and mass
• density and size

Which of the following objects has the most kinetic energy?

• A 20 kg toddler running at 5 m/s
• A 50 kg toddler running at  30 m/s
• A 90 kg toddler running at 30 m/s
• A 100 kg  toddler running at 2 m/s

two objects with mass are separated a distance of r.  if the mass of one doubles, the force of gravity between them

• doubles
• gets cut in half
• triples
• does not change

Charlie Holloway is launched out of a cannon with a speed of 40 m/s at 45 degrees with respect with the ground.  Which of the following is true about Charlie's acceleration at the highest point in his trajectory if air resistance is negligible?

• the acceleration is unknown
• the acceleration is horizontal
• the acceleration is straight down
• the acceleration is straight up

What is impulse?

• force done on an object
• Inertia in motion
• Change in momentum
• Amount of energy possessed by an object.

Motion sensors recorded the following data about a runner during a cross-country race. During which segment of the race did the runner have the greatest speed?

• W
• X
• Y
• Z