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kicyunya [14]
2 years ago
11

To drive a car at a constant velocity, you

Physics
1 answer:
kipiarov [429]2 years ago
8 0

Answer:

the answer is C

Explanation:

The car, first is at rest and if you don't accelerate it won't move. When to hit the gas it will accelerate from rest

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Why does it take double the applied force to move a mass double the size?
Ratling [72]
56-999999999999999999999-4 is the best for my mom
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3 years ago
If 30ml of a fluid has a mass of 63g what is it’s density
murzikaleks [220]

Answer:

The answer to your question is 2.1 g/ml

Explanation:

Data

volume = 30 ml

mass = 63 g

density = ?

Process

Density is defined as the mass per unit volume. The units of density are g/ml or kg/m³.

Formula

Density = mass / volume

Substitution

Density = 63 / 30

Result

Density = 2.1 g/ml

7 0
3 years ago
A pulley has a mechanical advantage of 1. What does this tell you about the size and direction of the input and output forces?
Nadya [2.5K]

Answer:

The number of input force is the same as output. ... If it equals once, then both numbers are equal making it the same.Explanation:

3 0
3 years ago
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A fluid is a substance that can _____________ and takes the _____________ of its container.
mezya [45]
Evaporate
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I wish there were provided answer choices. Hope this helped
7 0
3 years ago
A conducting sphere with a radius of 0.25 m has a total charge of 5.90 mC. A particle with a charge of −1.70 mC is initially 0.3
notsponge [240]

Explanation:

The given data is as follows.

     r_{1} = 0.25 m,    q = 5.90 mC = 5.90 \times 10^{-3} C

     r_{2} = 0.35 m,    q = 1.70 mC = 1.70 \times 10^{-3} C

(a)  Now, we will calculate the electric potential as follows.

             V = k \frac{q}{r}

First, we will calculate the initial and final electric potential as follows.

    V_{i} = 9 \times 10^{9} \times \frac{5.90 \times 10^{-3}}{0.25 m}      

                = 212.4 \times 10^{6}

or,             = 2.124 \times 10^{8}

V_{f} = 9 \times 10^{9} \times \frac{1.70 \times 10^{-3}}{0.35 m}      

                = 43.71 \times 10^{6}

or,             = 4.371 \times 10^{8}

Hence, the value of change in electric potential is as follows.

              \Delta V = V_{f} - V_{i}

                         = 4.371 \times 10^{8} - 2.124 \times 10^{8}

                        = 2.247 \times 10^{8} V

Therefore, the difference in electric potential energy is 2.247 \times 10^{8} V.

(b)  Now, we will calculate the potential energy as follows.

                P.E = qV

                    = -1.70 \times 10^{-3}C \times 2.247 \times 10^{8} V

                    = -3.8199 \times 10^{5}

Therefore, the change in the system's electric potential energy is -3.8199 \times 10^{5}.

4 0
3 years ago
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