Questions from College Physics

Q: While I1 is constant, does current flow in loop 2?

While I1 is constant, does current flow in loop 2? If so, does it flow clockwise or counterclockwise as viewed from the right? Explain.

Q: Rank the points in order of gravitational potential energy, from greatest

Rank the points in order of gravitational potential energy, from greatest to least.

Q: Dung beetles are renowned for building large (relative to their body

Dung beetles are renowned for building large (relative to their body size) balls of dung and rolling them on the ground. (a) If a dung beetle can roll (without slipping) a ball of dung whose radius i...

Q: 1. The main loss of heat from Earth is by

1. The main loss of heat from Earth is by (a) radiation. (b) convection. (c) conduction. (d) All three processes are significant modes of heat loss from Earth. 2. The average temperature of Earth's a...

Q: (a) Write an equation for a harmonic wave with amplitude

(a) Write an equation for a harmonic wave with amplitude 1.20 mm, wavelength 30.0 cm, and wave speed 6.40 m/s traveling in the −x- direction. At t = 0, the point x = 0 is moving in the +y-direction at...

Q: A parallel plate capacitor has 10.0 cm diameter circular plates

A parallel plate capacitor has 10.0 cm diameter circular plates that are separated by 2.00 mm of dry air. (a) What is the maximum charge that can be on this capacitor? (b) A neoprene dielectric is p...

Q: What particles are in the lepton family?

What particles are in the lepton family?

Q: The speed of ultrasound in fat is 1450 m/s,

The speed of ultrasound in fat is 1450 m/s, and in muscle it is 1585 m/s. By what percentages do the frequency and wavelength of ultrasound change when passing from fat into muscle?

Q: A variable capacitor with negligible resistance is connected to an ac voltage

A variable capacitor with negligible resistance is connected to an ac voltage source. How does the current in the circuit change if the capacitance is increased by a factor of 3.0 and the driving freq...

Q: The net force acting on an object is constant. Under what

The net force acting on an object is constant. Under what circumstances does the object move along a straight line? Under what circumstances does the object move along a curved path?