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makvit [3.9K]
2 years ago
6

If the average time it takes for the cart from point 1 to point 2 is 0.2 s, calculate the angle θ from the horizontal of the tra

ck. Assume the track is frictionless. Hint: use the definitions of acceleration and Newton’s second law.
Physics
1 answer:
inn [45]2 years ago
5 0

Answer:

hehe

Explanation:

I dont know because I am a noob ant study

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Can someone please help me?
svetlana [45]

Answer:

acceleration...............

7 0
3 years ago
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Which is correct? I need to know!!
Mnenie [13.5K]
What website are you using?
6 0
3 years ago
Identifying Characteristics Common to All Protists Use the drop-down menus to complete the statements. All protists live in envi
Annette [7]

Answer:

Use the drop-down menus to complete the statements.

All protists live in environments that are

✔ wet

.

All protists must

✔ reproduce

.

All protists have

✔ a nucleus

.

All protists make or consume

✔ food

Explanation:

I got it right hope its the right one

3 0
3 years ago
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Give an example for each of the following, where the force:
max2010maxim [7]

Explanation:

  • A cricket player hitting the ball from opposite direction.
  • A footballer kicking ball with more force.
  • Heating of a plastic bottle.
  • Applying brake of a car.
  • rolling a stopped marble on a table.

7 0
2 years ago
Read 2 more answers
If the 50 kg boy were in a spacecraft 5.0r from the center of the earth, what would his weight be?
Lady_Fox [76]
·The acceleration of gravity is proportional to

                       1 / (the square of the distance from the center) .

When we're on the surface, we're 1 radius from the center of the Earth,
and the acceleration of gravity is  9.8 m/s² .

The boy's weight = (mass) · (gravity) = (50kg) · (9.8 m/s²)

                                                             =      490 newtons .

At the distance of 5 radii from the center (4 radii altitude from the surface),
the acceleration of gravity is

                 (9.8 m/s²) · (1/5)²  =  0.39 m/s² .

The boy's weight is    (mass) · (gravity)  =  (50kg) · (0.39 m/s²)

                                                                  =     19.6 newtons .

Just as we expected, his weight at that distance is

         (19.6 / 490) = 0.04  =  1/25  =  1/5²  of his weight on the surface.
7 0
2 years ago
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