Answer:
∆PE = 749.7 J
At 0.9 m high, PE = 793.8 J
At 1.75 m high, PE = 1543.5 J
Answer:
C ) Electric charge.
Explanation:
Amber is used in the experiments related to static electricity.
In electrostatics, elektron was the word used as a variation to amber, by the Greeks. Amber buttons, when rubbed with cloth, attracted hair.
Studies showed that when amber is rubbed with fur, fur became negatively charged and amber became positively charged. That is because amber loses its electrons to fur.
Answer:
keeps your circulatory system healthy
Explanation:
Answer:
8090.01 J
Explanation:
The formula for kinetic energy is . We are given the mass and velocity, so plug what is given into the equation.
In milimetres:54000
or 54 metres