(12 points)Which option is an example of chemical energy being transformed into electrical energy?
A. A rocket engine igniting its fuel during liftoff
B. A battery powering a flashlight
C. A plant storing energy from the Sun in its leaves
D. Lightning striking a tree

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?