Which of the following must be true of a person who shares the same reference frame as you?

a) the person must be sitting right next to you

b) the person must be the same size as you

c) the person must not be moving relative to you.

The Biot-Savart Law describes the relationship between which of the following? Select all that apply. electric field potential charge magnetic field velocity acceleration separation distance

A 10 n net force is applied to an object, which then accelerates at 4 m/s2. what is the mass of the object?

To provide the pulse of energy needed for an intense bass, some car stereo systems add capacitors. One system uses a 2.4F capacitor charged to 24 V, double the normal 12 V provided by the car's battery.

A spaceship accelerates from 0 m/s to 40 m/s in 5 seconds. what is the acceleration of the spaceship?

Mass, like weight, always changes depending on its location.

The observation location A is located at m. The conventional current running through the wire is 7.5 amperes. In this exercise you will calculate the magnetic field at the observation location due only to segment 4 of the wire.

The wavelength of a light wave can be used to measure which of the following? A. The direction the wave is traveling B. How many photons the wave contains C. How much energy the wave has D. How high the top of the wave is

Sound 1 has an intensity of 38 W/m2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 2?

A cannonball is launched horizontally off a 20 m high castle wall with a speed of 85 m/s. How long will the cannonball be in flight before striking the ground? What is the range of the cannonball?

It is well known that bullets fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with bullets of mass m = 1.7 g at a rate of R = 165 bullets/min. The speed of each bullet is v = 380 m/s.