Which is an example of chemical energy to thermal energy?

1. Sun shining

2. Kettle whistling

3. Coal burning

4. Electric toaster

If cable cb is subjected to a tension that is twice that of cable ca, determine the angle u for equilibrium of the 10-kg cylinder. also, what are the tensions in wires ca and cb?

A 405 Hz tuning fork and a piano key are struck together, and no beats are heard. When a 402 Hz tuning fork and the same piano key are struck, three beats are heard. What is the frequency of the piano key?

If you are driving 95 km/h along a straight road and you look to the side for 2.0s, how far do you travel during this inattentive period

2. Using examples to describe each term, differentiate among average, instantaneous, and uniform velocity.

After the party, Tom walked slowly all the way home. Draw what's happening I'm the graph

Which factors affect the gravitational force between two objects? distance and velocity mass and distance mass and weight acceleration and weight 802

DNA can be classified as what type of evidence? Choose all that apply. -Class Evidence -Physical circumstantial evidence -Biological circumstantial evidence -Direct evidence -Individual evidence

Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. Which psychological specialty does Dr. Wolski's research best represent

Assume that the Styrofoam slab and the fur are both initially neutral, and that the slab charged negatively after it is rubbed with the fur. Describe what happens. Mark all the correct statements among those provided below.

How do the significant figures in a measurement affect the significant figures in a calculation?