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jenyasd209 [6]
3 years ago
8

Which factors are used to calculate the kinetic energy of an object? Check all that apply.

Physics
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

B. velocity and D. mass

Explanation:

The formula for kinetic energy is KE = 1/2 * m * v^2. The two variables in this equation are mass (m) and velocity (v).

Gravity and height are used to calculate potential energy, not kinetic energy.

Volume isn't used to calculate energy.

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The demand for your hand-made skateboards, in weekly sales, is q = −3p + 700 if the selling price is $p. You are prepared to sup
Y_Kistochka [10]

Answer:

you should sell your skateboards at $240

Explanation:

The price p to sell your skateboards for so that there is neither a shortage nor a surplus is the price that makes equal the quantity of sales and the quantity of supply, so p is equal to:

q (sales) = q (supply)

-3p + 700 = 2p - 500

700 + 500 = 2p + 3p

1200 = 5p

1200/5 = p

$240 = p

3 0
3 years ago
Please answer this question first one to answer the right answer will be marked brainiest
Nataly_w [17]

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Explanation: is this what you were looking for

8 0
3 years ago
What is the average speed of this car over the entire journey ?
lesya [120]

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Explanation: give brainliest

4 0
3 years ago
We now slowly increase the pressure to 15464.04 Pa while keeping the temperature constant. What is the final volume?
Mila [183]

Answer:

Final volume = 0.42 cubic meters

Explanation:

The question is incomplete. The initial conditions are

Initial temperature ,T_{1} = 310 K

Initial volume ,V_{1} = 0.5 cubic meter

Number of moles = 2.5

Since, from the ideal gas equation we get,

PV = nRT

P \times 0.5 = 2.5 \times 8.314 \times 310

P_{1} = 12886.7 Pa

Final pressure= 15464.04 Pa

Since temperature is constant,

PV = constant

12886.7 \times 0.5 = 15464.04 \times V

V = 0.42 cubic meters.

Hence final volume = 0.42 cubic meters

8 0
3 years ago
A student pulls down with a force of 40 N on a rope that winds around a pulley of radius 5 cm. find the torque?
Anna71 [15]

Answer:

2N

Explanation:

Given that a student pulls down with a force of 40 N on a rope that winds around a pulley of radius 5 cm. find the torque?

Solution

Using the formula

Torque = Force × radius

I.e

Torque = F r

Where

F = 40N

r = 5 cm = 5/100 = 0.05m

Substitute all the parameters into the formula

Torque = 40 × 0.05

Torque = 2 N

Therefore, the torque on this scenario is 2 N

7 0
3 years ago
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