Other Physics Answers

A wave is modeled with the function y(x,t) = (0.8m) cos((1rad/m)x − (0.62rad/s)t + π/3). Find the wave speed.

A string is 7.63 m long with a mass of 8.56 g. The string is held taut with a tension of 457 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?

A simple pendulum complete one vibration in one sec. Find its length when = 10ms

Determine the effective capacitance if two capacitors, C1 = 10F and C2 = 5F, are

connected in parallel.

Determine the effective capacitance if two capacitors, C1 = 10F and C2 = 5F, are

connected in series.

How far must a 1.00x10-7C test charge (q) be from a 5.00x10-6C point

charge (Q) for it to experience a push of about 1.25 N?

An electric field with a strength of 1.25x104N/C exerted 2.50 N on a

certain test charge, q. Determine the charge on q.

what is the efficiency of a diesel engine that receive 214.1 J of energy from combustion and lose 185.3 J by heat to exhaust during one cycle?

 A police investigator measures straight skid marks 27 m long in an accident investigation. Assuming a friction force is 8.00 x10^3 and a car mass is 1.00 x10^3 kg, what was the minimum speed of the car when the brakes locked?

Calculate the electric field strength from a 1.25x10-8C charge if the test

charge is placed 2.50x10-5m.