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Triss [41]
3 years ago
8

Which of the following is a science?

Physics
1 answer:
nikitadnepr [17]3 years ago
3 0

Answer:

astrology

Explanation:

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John is carrying a shovelful of snow. The center of mass of the 3.00 kg of snow he is holding is 15.0 cm from the end of the sho
Andru [333]

Answer:

James is correct here as the force of hand pushing upwards is always more than the force of hand pushing down

Explanation:

Here we know that one hand is pushing up at some distance midway while other hand is balancing the weight by applying a force downwards

so here we can say

Upwards force = downwards Force + weight of snow

while if we find the other force which is acting downwards

then for that force we can say that net torque must be balanced

so here we have

F_{down} L_1 = W_{snow} L_2

so here we have

F_{down} = \frac{L_2}{L_1} (W_{snow})

so here we can say that upward force by which we push up is always more than the downwards force

8 0
3 years ago
a race car is traveling at a speed of 80.0m/s on a circular race track of radius 450m what is the centripetal acceleration
slega [8]

Answer:

The answer of this question is =1.258*10-4

4 0
2 years ago
A solid plastic ball hits a stationary tennis ball in a perfectly elastic collision. If the mass of the plastic ball is three ti
ivanzaharov [21]

The two balls separate but continue to move in the same direction

3 0
3 years ago
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A car is driving at 30 m/s it has a mass of 1800 kg what is the cars momentum?
Ostrovityanka [42]

Answer:

Explanation:

Momentum is a concept and is defined as,

Momentum = mass × velocity

So to calculate the momentum of the car

momentum of the car = mass of the car × velocity of the car

So we get,

momentum of the car = 1800 × 30

= 54000 Ns

5 0
3 years ago
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Three parachutists have the following masses: A: 50 kg, B: 40 kg, C: 75 kg Which one has the greatest terminal velocity?
allochka39001 [22]

Answer:

A: 50 kg

Explanation:

5 0
3 years ago
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