Answer:
a) There are 100 centimeters in 1 meter.
b)
Explanation:
a) We have the conversion
1 m = 100 cm
So there are 100 centimeters in 1 meter.
b) 1 inch = 2.54 cm
Why did the acorn fall to earth instead of rising up to the moon?
2 answers:
Answer:
Gravitational force exists between any two bodies having mass. It is proportional to the mass of two bodies and inversely proportional to the square of distance between them.
Thus, with increase in distance, the gravitational force decreases.
Acorn falls to Earth because of the following two reasons:
1. Mass of Earth > Mass of Moon
2. Acorn is closer to the Earth
Thus, the gravitation force of attraction is greater towards the Earth.
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Check the attached file for the answer.
Answer:
Explanation:
Kinetic Energy formula:
KE = mv²
m=mass
v=speed
Given:
m=0.25kg
v=2.5m/s
Plug the values in:
KE = 1/2(0.25kg)(2.5m/s)²
KE = 0.78125 J (Joules)