To a stationary observer, a bus moves north with a speed of 10 m/s. A man inside walks toward the back of the bus with a speed of 0.4 m/s relative to the bus. What is the velocity of the man according to a stationary observer?

If a spring has a natural length of 5 cm and a force of 30 n is required to maintain the spring stretched to a length of 9 cm, find the spring constant.

Two asteroids of equal mass in the asteroid belt between mars and jupiter collide with a glancing blow. asteroid a, which was initially traveling at va1 = 40.0 m/s with respect to an inertial frame in which asteroid b was at rest, is deflected 30.

Calculate the potential energy of a 4 kg cat crouched 3 meters off the ground

An electron travels into a 0.5 T magnetic field perpendicular to its path, where it moves in a circular arc of diameter 0.028 m. What is the kinetic energy of the electron?

Which two parameters can both be measured in meters A. Speed and frequency B. Wavelength and speed C. Frequency and amplitude D. Amplitude and wavelength E. Period and wavelength

What uses electricity

How do the elements in the Noble Gas family compare?

The magnetic field strength within a long solenoid isb=4.0t t, where t is time in seconds. if the radius of thesolenoid is1.0 cm, what is the magnitude of the non-coulomb force that acts on a6.0 c charge a distance6.

Which of these is not a conservative force and does not have a form of potential energy connected with it?

What is the effect of food color in the amount of food fish eat