Answer:
Light
Explanation:
The way a concave mirror works is that since it's concave, the light bounces off of each other. a convex mirror, it curved the opposite, and the mirror has no way to bounce off of itself.
Answer:
how close a true value a measurement is
Answer:
6.4m/s
Explanation:
The total mechanical energy of the man is 1780J.
This mechanical energy is the energy due to the motion of the body and it is a form of kinetic energy.
Also, mass = 87kg
Kinetic energy = 
m v²
m is the mass
v is the velocity
1780 = x 87 x v²
v² = 40.9
v = 6.4m/s
Answer:
2. deer
Explanation:
The lion, spider, and snake eat meat or to an extent.
Deer don't eat meat
Answer:
A car accelerates uniformly from 5m/s to 10m/s in 5s ...
A car starts from rest and picks up a velocity of 20 m/s ...
A car accelerates uniformly from 10m/s to 20m/s in 5 ...
How much work is required to accelerate a 1000 kg car ...
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Explanation:
