ELASTIC POTENTIAL ENERGY
1 / 13
Onderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Slide 5 - Tekstslide
Slide 6 - Tekstslide
Slide 7 - Tekstslide
A 90.0 kg rock climber climbs 45.0 m upward, then descends 85.0 m. The initial height is the reference level. Find the PE of climber-Earth system at the bottom
A
-3.5*10^4 j
B
-4.0 *10^4 j
C
3.5 *10^4
D
4.0 * 10 ^ 4
Slide 8 - Quizvraag
A weight lifter raises a 180-kg barbell to a height of 1.95 m. what is the increase in the PE of the barbell-earth system?
A
340 j
B
30 j
C
459 j
D
3.4 * 10^3 j
Slide 9 - Quizvraag
What energy transformations take place when an athlete is pole- vaulting?
Slide 10 - Open vraag
A science museum displays about energy has a small engine that pulls on a rope to lift a block 1.00 m. the display indicates that 1.00 J of work is done. what is the mass of the block?
A
1 kg
B
10 kg
C
0.10 kg
D
100 kg
Slide 11 - Quizvraag
What form of energy does a system that contains a wound-up spring toy have? What form of energy does the toy have when it is going?
