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Sav [38]
2 years ago
11

The friction force between a bag and the floor is 4 N. what is the net force acting on the bag? What is the acceleration of the

bag?
Physics
1 answer:
tester [92]2 years ago
6 0
Well, if the bag is moving across the floor at a constant velocity. Then I would assume that the Fnet force is equal to 0, and thus the value of acceleration would also be equal to 0.
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If you throw a ball into the air, Earth exerts a force on the ball. The ball in the air exerts no force on Earth. True or false?
Lina20 [59]

Answer:

False.

Explanation:

If you throw a ball into the air, Earth exerts a force on the ball. Also, the ball in the air exerts a force on Earth.

This ultimately implies that, there is a force pair between the earth and the ball.

5 0
2 years ago
Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A i
AlexFokin [52]

The resistance of wire B will be D. 1/2R

<h3>What is resistance?</h3>

It should be noted that resistance simply means the measure of the opposition to the current flow that's in an electric circuit.

Based on the information given, the resistance will be calculated thus:

= 2L/4A

= 1/2pL/A

= R/2

Therefore, the resistance of wire B will be D. 1/2R

Learn more about resistance in:

brainly.com/question/24858512

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Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. (ii) What is the ratio of the radius of A to that of B

(a) 4 R (b) 2 R (c) R (d) 1/2R (e) 1/4R

8 0
1 year ago
_____ variables are manipulated by the experiments
nikitadnepr [17]

Answer:

dependent variables

Explanation:

dependent varibeles are the thing you're measuring and independent variables are the thing you change in the exeriment to get a different dependent variable.

may I get brainliest please? :)

3 0
3 years ago
Write the law of conservation of energy. How does it apply to eating and exercising?
zzz [600]
The Law of Conservation of energy states that the total energy of an isolated system remains constant-it is said to be the conserved over time. It applies by us burning calories because humans can lose or gain weight.
5 0
3 years ago
The pressure on a balloon holding 356 mL of an ideal gas is increased from 267 torr to 1.00 atm. What is the new volume of the b
Natalija [7]

Answer:

124.52 mL

Explanation:

from Boyle's Law,

PV = P'V' ................... Equation 1

Where P = Initial pressure of the gas, V = Initial volume of the gas, P' = Final pressure of the gas, V' = Final volume of the gas.

make V' the subject of the equation.

V' = PV/P'............. Equation 2

Given: P = 267 torr = (267×0.00131) = 0.34977 atm, V = 356 mL, P' = 1 atm

Substitute into equation 2

V' = (0.34977×356)/1

V' = 124.52 mL.

Hence the new volume of the balloon = 124.52 mL

4 0
2 years ago
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