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Schach [20]
3 years ago
7

WILL GIVE BRAINLIEST!!! (100 points) cliff divers in hawaii dive from 65 meter high cliffs. the rocks at the base of the cliff p

rotrude 27 meters beyond the edge of the cliff. which sketch is the correct representation of the problem?
answer asap please:)

Physics
1 answer:
Dennis_Churaev [7]3 years ago
8 0

choice 3 because the arrow has to be downward for as. and if the divers want to live, the vx has to be going right and not 0 or they would hit the rocks. I hope it's right!

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If a 1.3 kg mass stretches a spring 4 cm, how much will a 5.8 kg mass stretch the
Likurg_2 [28]

Answer:

17.8cm

Explanation:

1.3kg --> 4cm

1kg --> 3, 1/13cm

5.8kg --> 18.8cm

6 0
3 years ago
How much potential energy does a 1kg mess have 10m off the ground?
777dan777 [17]
Potential Energy = mass x gravitational acceleration x height
potential Energy = 1 x 9.8 x 10 = 98 joules
3 0
3 years ago
An arrow in flight has an initial velocity of 65 meters per second, and 10 seconds later, it has a velocity of 35 meters per sec
-BARSIC- [3]
Acceleration = (final velocity - initial velocity) / time
= (35-65)/10
= -3 m/s2
7 0
3 years ago
In a popular classroom demonstration, a cotton ball is placed in the bottom of a strong test tube. A plunger fits inside the tub
mario62 [17]

Answer:

An increase in air temperature because of its compression.

Explanation:

The Gay-Lussac's Law states that a gas pressure is directly proportional to its temperature in an enclosed system to constant volume.  

P = kT  

<em>where P: is the gas pressure, T: is the gas temperature and k: is a constant.</em>

Therefore, due to Gay-Lussac's Law, when the plunger is pushed down very rapidly, the pressure of the air increase, which leads to its temperature increase. That is why cotton flashes and burns.      

I hope it helps you!

3 0
3 years ago
Please help im stuck and can't find the answer sheet ANYWHERE :(​ PLEASEEEEEEEEEEE
Vladimir [108]

Answer:

All steps are 20 * 100  (break the rest into appropriate pieces)

You can multiply as follows

(2000) * ((3 * 60) + (2 * 60) + 60)

V = 2000 * 6 * 60) = 720,000 cm^3 = .72 m^3

.72 m^3 * 2400 kg / m^3 = 1728 kg

6 0
2 years ago
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