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A Hot Wheels toy car races around a circular track that has a radius of 1.2 meters. It moves around the track with a tangential velocity of 1.8 m/s. What is the toy’s centripetal acceleration?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
What object experiences uniform circular motion?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
A rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a centripetal acceleration of 3.0 m/s2. If the length of the rope is 2.1 m, what is the girl’s velocity?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
What is the force that causes centripetal acceleration when a car goes around a curve?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
An ice skater with a mass of 75 kg skates in a circle that has a radius of 22.3 meters. The ice skater takes 9.17 seconds to complete a lap. What is the ice skater’s centripetal force?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
A marble with a mass of 0.1 kg spins in a circle that is 0.5 meters from its center. It has a speed of 1.4 meters per second. What is the marble’s centripetal force when it hits another marble?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
Which of the following is the unit for centripetal force?
2.7 m/s^2
N
0.25 ms-2
0.392 N
A car traveling around a roundabout at a constant speed
2.5 m/s
friction
19.890 N
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