Questions from College Physics

Q: Show that, for SHM, the maximum displacement, velocity,

Show that, for SHM, the maximum displacement, velocity, and acceleration are related by /

Q: In the physics laboratory, a glider is released from rest on

In the physics laboratory, a glider is released from rest on a frictionless air track inclined at an angle. If the glider has gained a speed of 25.0 cm/s in traveling 50.0 cm from the starting point,...

Q: A child's toy is made of a 12.0 cm radius

A child's toy is made of a 12.0 cm radius rotating wheel that picks up 1.00 g pieces of candy in a pocket at its lowest point, brings the candy to the top, then releases it. The frequency of rotation...

Q: A house painter stands 3.0 m above the ground on

A house painter stands 3.0 m above the ground on a 5.0 m long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 680 N and the ladder weighs 120 N. Assuming no fr...

Q: The graph with Problem 23 shows speedometer readings as a car skids

The graph with Problem 23 shows speedometer readings as a car skids to a stop on a straight roadway. What is the magnitude of the acceleration at t = 7.0 s? Sketch a graph of ax(t). What is the coeffi...

Q: In a playground, a wooden horse is attached to the ground

In a playground, a wooden horse is attached to the ground by a stiff spring. When a 24 kg child sits on the horse, the spring compresses by 28 cm. With the child sitting on the horse, the spring oscil...

Q: You are mowing the lawn on a hill near your house when

You are mowing the lawn on a hill near your house when the lawnmower blade strikes a stone of mass 100 g and sends it flying horizontally toward a window. The lawnmower blade can be modeled as a thin...

Q: A small bird’s wings can undergo a maximum displacement amplitude of 5

A small bird’s wings can undergo a maximum displacement amplitude of 5.0 cm (distance from the tip of the wing to the horizontal). If the maximum acceleration of the wings is 12 m/s2, and we assume th...

Q: The Moon's distance from Earth varies between 3.56 × 105

The Moon's distance from Earth varies between 3.56 × 105 km at perigee and 4.07 × 105 km at apogee. What is the ratio of its orbital speed around Earth at perigee to that at apogee?

Q: The diaphragm of a speaker has a mass of 50.0

The diaphragm of a speaker has a mass of 50.0 g and responds to a signal of frequency 2.0 kHz by moving back and forth with an amplitude of 1.8 × 10−4 m at that frequency. (a) What is the maximum for...