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PolarNik [594]
3 years ago
15

Which has more momentum?

Physics
1 answer:
zvonat [6]3 years ago
3 0
The 7.0-kilogram bowling ball has a momentum of 42kgm/s whike the 0.064-kilogram golf ball has a momentum of 3.84kgm/s

Bowling ball is your answer
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25° 20' 42" S 131° 2' E<br> 1. What is the place?
vlabodo [156]
That place is the "Uluru- Kara That National Park"
7 0
3 years ago
If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?
faltersainse [42]
Kinetic energy will go down accordingly (if no external force)
7 0
3 years ago
During the power stroke energy released by combustion generates the force that:_______.
Inessa05 [86]

Explanation:

An IC engines means an Internal Combustion engine. Here, the combustion takes place in side a chamber or a cylinder internally, hence it is known as internal combustion engine.

Combustion is the process where oxygen reacts with the fuel and it burns to produce a large amount of force and heat. In each revolution of the crank, the engine creates a power stroke when the piston goes from the bottom dead center to the top dead center.

During each power stroke, the energy released forces the piston down and the crankshaft is rotated.

8 0
3 years ago
A 1.75 kg stone falls from the top of a cliff and strikes the ground at a speed of 58.8 m/s. What is the height of the cliff??
Reil [10]

Answer:

172.9m

Explanation:

h = 1/2 gt^

First calculat for t using

v = gt

t = v/g = 58.8/10

= 5.88secs

now h = 1/2 x 10 x 5.88^2

h =1/2 x 10 x 34.57

= 345.74/2

= 172.9m

6 0
3 years ago
If the only force exerted on a star far from the center of the Galaxy (r = 7.40 ✕ 1020 m) is the gravitational force exerted by
lina2011 [118]

Answer:

The value is  v = 1.309*10^{5}\ m/s

Explanation:

The radius is r = 7.40 *10^{20} \  m

The mass of the ordinary matter is M_{rod} =  1.90 *10^{41}\  kg

Generally the speed of the star is mathematically represented as

         v = \sqrt{\frac{G * M}{r} }

Here G is the gravitational constant with a value

        G = 6.67384 * 10^{-11}

So

      v = \sqrt{\frac{6.67384 * 10^{-11} * 1.90 *10^{41}}{7.40 *10^{20}} }

=>    v = 1.309*10^{5}\ m/s

8 0
2 years ago
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