Question

Grade 11 phyiscs
Assume the toy car with mass 150 g starts at rest and there is no friction.
Calculate The Total Mechanical Energy, Kinetic Energy, Gravitational Potential Energy, and
velocity at following positions and complete the tables:

1. Speed = 0.0cm/s
Time = 70s

What is the Formulas for Et, Ek, Eg, V and show the Solutions and Answers?

2. Speed = 160.0cm/s
Time = 20s
What is the Formulas for Et, Ek, Eg, V and show the Solutions and Answers?

3. Speed = 280.0cm/s
Time = 20s
What is the Formulas for Et, Ek, Eg, V and show the Solutions and Answers?

4. Speed = 400.0cm/s
Time = 60s
What is the Formulas for Et, Ek, Eg, V and show the Solutions and Answers?

5. Speed = 440.0cm/s
Time = 90s
What is the Formulas for Et, Ek, Eg, V and show the Solutions and Answers?


Eg = (m)(g)(△h)
Ek = 1/2 mv^2
v = √((2Ek)/(m))
Et =

Answer 1

Et = Ek + Eg