A motorcyclist sees a branch in the road,

and hits the brakes, slowing down at

-6.42 m/s2. If it takes him 2.85 s to stop,

what was his starting velocity?

(Unit = m/s)

The resistance of several materials are shown in the table. Based on this, which material has the best conductivity? Material Resistance (ohms) Aluminum 0.0000000282 Carbon (Graphite) 0.000035 Germanium 0.46 Silicon 640 A. aluminum B.

List 6 Physical properties List 6 Chemical properties

While solving a problem, tran calculates an answer that has coulomb-volts as the units. which quantity did tran calculate? electric potential energy electric potential difference electric field electric potential?

An electric motor rotates 60 times per second if the alternating current source is 60 Hz. How many times will an electric motor rotate in one hour if the alternating current source is changed to 50 Hz?

Explain why the impact of one heavy stone would produce waves with higher amplitude than the impact of the light stone would

A motorist driving at 25 meters/second decelerates to 15 meters/second. The combined mass of the vehicle and the driver is 1.5 * 10³ kilograms. What is the amount of mechanical work done by the vehicle?

All forces are different each exerts a particular type of effect on an object

Witch statement about polymers is true

Two bullets have masses of 3,0 g and 6.0g, respectively. both are fired with a speed of 40.0 m/s. Which bullet has more kinetic energy? What is the ratio of their kinetic energies

What does it mean that a form of energy might take more energy to harness than it provides? Are renewable resources always renewable, or can they become non-renewable? Why aren't renewable resources used for everything that we use energy for?