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Ne4ueva [31]
3 years ago
13

Which direction will thermal energy flow if you pick up a snowball with your bare hand? Thermal energy will flow from the snowba

ll to your hand. Thermal energy will flow from your hand to the snowball. Thermal energy will not flow between your hand and the snowball.
Physics
2 answers:
Lapatulllka [165]3 years ago
4 0

Answer:

b. Thermal energy will flow from your hand to the snowball.

Explanation:

Marina CMI [18]3 years ago
4 0

Answer:

B

Explanation:

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Temperature is just a measure of how HOT or COLD a substance is, which can be easily defined by a magnitude using a numerical value say “300 K” or “27°C”. Hence we can say it is a scalar quantity.

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Two wheels are identical but wheel b is spinning with twice the angular speed of wheel
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Which state of matter is best at conducting heat?
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4 0
3 years ago
Read 2 more answers
A car has a mass of 1600 kg. It is stuck in the snow and is being pulled out by a cable that applies a force of 7560 N due north
sergiy2304 [10]

Answer:

Acceleration of the car will be a=0.1375m/sec^2

Explanation:

We have given mass of the ball m = 1600 kg

Force in north direction F= 7560 N

Resistance force which opposes the movement of car F_R=7340N

So net force on the car F_{net}=F-F_R=7560-7340=220N

According to second law of motion we know that F=ma

So 220=1600\times a

a=0.1375m/sec^2

7 0
3 years ago
classic physics problem states that if a projectile is shot vertically up into the air with an initial velocity of 128 feet per
ddd [48]

Answer:

t_1 = 0.28 s

t_2 = 7.72 s

Explanation:

Given that height of the projectile as a function of time is

h = -16 t^2 + 128 t + 112

here we know that

h = 147 ft

so from above equation

147 = -16 t^2 + 128 t + 112

16 t^2 - 128 t + 35 = 0

now by solving above quadratic equation we know that

t_1 = 0.28 s

t_2 = 7.72 s

6 0
2 years ago
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