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katrin [286]
3 years ago
10

Hi guys. Im doing a project at school where we have to create a mouse trap powered car. I wanted to know what materials are a mu

st have to make the car move more than 5 meters?
Physics
1 answer:
natta225 [31]3 years ago
4 0
Depends on how heavy ur car is, u could use a high powered fan to move the can or u could use the motor and wheels from a remote control car
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(3) What is the weight of a 50-kg astronaut (a) on Earth (b) On the Moon ,(g=1.7m/s2), (c) on Mars (g=3.7m/s2) (d)in outer space
artcher [175]

Answer:

a) On Earth

490N

b) On the Moon

85N

c) On Mars

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d)in outer space traveling with constant velocity.

0

Explanation:

The weight is defined as:

W = mg (1)

Where m is the mass and g is the gravity

a) On Earth g = 9.8m/s^{2}

Then, equation 1 can be used:

W = (50Kg)(9.8m/s^{2})

W = 490Kg.m/s^{2}

but 1N = Kg.m/s^{2}

W = 490N

Hence, the weight of the astronaut on Earth is 490N

b) On the Moon g = 1.7m/s^{2}

W = (50Kg)(1.7m/s^{2})

W = 85N

Hence, the weight of the astronaut on the Moon is 85N

c) On Mars g = 3.7m/s^{2}

W = (50Kg)(3.7m/s^{2})

W = 185N

Hence, the weight of the astronaut on Mars is 185N

(d) in outer space traveling with constant velocity.

Tanking into consideration that the astronaut is traveling in outer space at a constant velocity, it can be concluded that the acceleration will be zero.

Remember that the acceleration is defined as:

a = \frac{v_{f} - v_{i}}{t}

Since the acceleration is the variation of the velocity in a unit of time.

Therefore, from equation 1 is gotten.      

W = (50kg)(0)

Remember that g is the acceleration that a body experience as a consequence of the gravitational field.

 

W = 0

5 0
3 years ago
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