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6.3 - Kinetic Energy

Posljednje ažuriranje almost 4 years ago

8

4

4

4

Pitanje 3

3.

8

4

4

4

4

Pitanje 1

1.

What are the three types of Kinetic Energy?

translational

obfucational

rotational

bilingual

serupticiousonal

mobilonal

taxational

vibrational

Pitanje 2

2.

Drugi mogući odgovor:

v

m

F

5

x

m^2

g

v^2

1

Fnet

10.5

Fapplied

Fspring

1/2

Pitanje 4

4.

Write a statement that best summarizes the relationship between the initial release height and the speed at the bottom of the hill in the lab activity.

Pitanje 5

5.

Determine the kinetic energy of a 740-kg roller coaster car that is moving with a speed of 19.1 m/s.

Pitanje 6

6.

If the roller coaster car in the above problem were moving with triple the speed, then what would be its new kinetic energy?

Pitanje 7

7.

Olver Weightver, the former platform diver for Harrison, had a kinetic energy of 21,000 J just prior to hitting the Pool. If Olver's mass is 140 kg, then what is his speed?

Pitanje 8

8.

Endor is under attack. In order to smash both sides of Walker's armor the KE needed is 2.9x10^6 Joules of energy. The log swings at a speed of 21m/s. What is the mass of both logs?