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2 years ago

Help Help Help Explain how Newton’s Laws apply to traveling to and landing on Mars.

Physics

1 answer:

Ganezh [65]2 years ago

5 0

Answer:

Newton deduced that when one object exerted force upon a second object, that second object exerted an equal and opposite force on the first one. This law explains how the sun pulls on planets with gravity, just as the planets pull on the sun. Newton's last law describes how gravity works.

Explanation:

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Assume: The bullet penetrates into the block and stops due to its friction with the block. The compound system of the block plus

charle [14.2K]

Answer:

The total energy of the composite system is 7.8 J.

Explanation:

Given that,

Height = 0.15 m

Radius of circular arc = 0.27 m

Suppose, the entire track is friction less. a bullet with a m₁ = 30 g mass is fired horizontally into a block of wood with m₂ = 5.29 kg mass. the acceleration of gravity is 9.8 m/s.

Calculate the total energy of the composite system at any time after the collision.

We need to calculate the total energy of the composite system

Total energy of the system at any time = Potential energy of the system at the stopping point

$E=mgh+Mgh$

$E=(m+M)gh$

Put the value in to the formula

$E=(30\times10^{-3}+5.29)\times 9.8\times0.15$

$E=7.8\ J$

Hence, The total energy of the composite system is 7.8 J.

8 0

3 years ago

Which is a device that stores electric charge by separating positive and negative charges?

juin [17]

A camera flash or lighting bolt because stored separated positive and negative charges --> caused them to do work by briefly lighting a bulb as the separated charges moved back together

3 0

3 years ago

What is the energy due to compressing a spring

Westkost [7]

Answer: Elastic Potential Energy

Explanation: Energy present on compressed strings is called Elastic Potential Energy.

8 0

2 years ago

Much of the energy of falling water in a waterfall is converted into heat. If all the mechanical energy is converted into heat t

Assoli18 [71]

Answer:

Explanation:

potential energy of water is converted into heat energy

P E = mgh = m x 9.8 x 111

= 1087.8 m .

Let rise in temperature θ

m x s x θ = heat absorbed

m x s x θ = 1087.8 m

m x 4182 x θ = 1087.8 m

θ = 0.26 degree celsius .

6 0

2 years ago

3.A pendulum is created by hanging a mass on 0.80 m long string. What is the period of the

otez555 [7]

Answer:

T = 2π√(L/g) = 2π√(0.80/9.8) = 1.79519... = 1.78 s is your closest option

Explanation:

3 0

3 years ago