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pychu [463]
3 years ago
5

Do substances that heat up quickly have high or low specific heat capacity?

Physics
1 answer:
Ksju [112]3 years ago
3 0
Answer- I would think low
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URGENT!!! Which option(s) correctly define an electric circuit? (Select all that apply) a set-up where current flows without a v
ArbitrLikvidat [17]

Answer:

a set up where current flows without a voltage difference

Explanation:

because a circuit is a set up of different components, and throughout the circuit the voltage is the same, even with more components

5 0
3 years ago
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As the magnetic field increases, which of the following also increases
Leokris [45]
The answer is AREA .............
8 0
3 years ago
How much force is required to accelerate a 50 kg with a mass at 4 m/s2?
GalinKa [24]

Answer:200N

Explanation:

Mass=50kg

Acceleration=4m/s^2

Force=mass x acceleration

Force=50 x 4

Force=200N

5 0
3 years ago
Which objects will likely have the greatest gravitational force between them?
Mariulka [41]

Answer:

d. Two soccer balls that are touching each other

Explanation:

Let m_1 be the mass of a tennis ball, m_2 is the mass of a soccer ball.

As the mass of a soccer ball is more than the mass of a tennis ball, so

m_2 > m_1

Let d_1 be the distance between the centers of both the balls near each other and d_2 be the distance between the centers of both the balls touching each other.

So, d_2 > d_1

The gravitational force, F, between the two objects having masses M and m and separated by distance d is

F=\frac{GMm}{d^2}

Where G is the universal gravitational constant.

As, the gravitational force is directly proportional to the product of both the masses and inversely proportional to the square of the distance between them,  so selecting the larger mass (m_2, soccer ball) separated by a lesser distance (d_2, touching) to get more gravitational force.

Therefore, there will be a larger gravitational force between them when two soccer balls touching each other.

Hence, option (d) is correct.

3 0
3 years ago
A runner is training and runs past meter mark 65 and starts a stopwatch. After the runner passes meter mark 15 the stopwatch sto
denis-greek [22]

Answer:

6.25 m/s

Explanation:

Given parameters

Initial mark = 65

Final mark  = 15

time taken = 8s

Unknown:

Velocity of the runner  = ?

Solution:

Velocity is the displacement divided by time;

        Velocity  = \frac{displacement}{time}  

Displacement  = Initial mark - final mark  = 65 - 15 = 50m

Now, insert the parameters and solve;

       Velocity  = \frac{50}{8}   = 6.25m/s

7 0
2 years ago
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