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kolbaska11 [484]
3 years ago
5

If a vector that is 3cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale repre

sent? True or false
Physics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

False knowww yess ofcure

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Do you think the amount of positive charge on the glass after rubbing it with silk cloth will be equal to the amount of negative
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3 years ago
a hockey player makes a slap shot exerting a constant force of 25.0 N on the puck for 0.16 seconds. With is the magnitude of the
Sav [38]

Impulse = (force) x (time the force is applied)

Impulse = (25 N) x (0.16 sec)

<em>Impulse = 4 Newton-seconds</em>

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3 years ago
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After the first solid grains formed in our solar system, these particles could then grow by the process of ____, the collision a
labwork [276]

Answer:

Accretion

Explanation:

Accretion is the process by which there is an accumulation of particles into a bigger object by attracting more mass by gravitational force into an accretion disk. This is one of the first steps in the formation of our solar system. There was a collapse of a gas cloud which resulted in most of the mass collecting in the center leading to the formation of the sun and the rest spread out forming the planets.

4 0
4 years ago
A car travels a distance of 140 km at 70.0 km/hr. It then travels an additional distance of 60.0 km at 40.0 km/hr. The average s
Natali5045456 [20]

Answer:

57.1 km/hr

Explanation:

To find the average speed you take the total distance divided by the total elapsed time.

So, the total distance is 140 + 60 = 200

the total elapsed time is found by taking 140/70=2 and 60/40=1.5

2+1.5=3.5

The plug the numbers into the equation,

200/3.5=57.1

5 0
3 years ago
What does it mean when work is positive?
dmitriy555 [2]

Answer:

When force and displacement are in the same direction, the work performed on an object is said to be positive work. Example: When a body moves on the horizontal surface, force and displacement act in the forward path. The work is done in this case known as Positive work.

Explanation:

Hope this helps you

5 0
3 years ago
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