D is at rest at the top of a 2 m high slope. The sled has a mass of 45 kg. The sled's potential energy is J?

What happens to resistance and current when more loads are added to a parallel circuit? A - Resistance decreases and current increases. B - Resistance and current are unaffected. C-Resistance increases and current increases.

Which words are readable, red words on white paper in red light or blue words on a white paper in red light, give a reason

Alexander Graham Bell used an electrical wire to a. transmit radio waves. c. transfer power to machines. b. build a better light bulb. d. send voices over long distances.

First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given byy (t) = y0+v0t - (1/2) gt2, where y0=

Which of the following statements below is NOT part of the cell theory? Group of answer choices A. All cells come from pre-existing cells B. Cells are the basic unit of life C. All cells contain chloroplast D. All organisms are made up of cells

What is a magnetic field and how does it interact with magnetic materials?

What is significant about holden sitting on the radiator?

Which of the following occurs in meiosis that does not occur in mitosis 1 fertilization occur 2 body cells are made 3 sex cells are made 4 cell division occurs

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying