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meriva
3 years ago
5

This woman is riding a bicycle down a hill at a constant speed and in a straight line. Which change will increase the speed of t

he bicycle? O A. An added force of 20 N down the hill O B. Added forces of 30 N up the hill and 30 N down the hill O C. Added forces of 30 N up the hill and 20 N down the hill O D. An added force of 20 N to the side of the hill​
Physics
2 answers:
Taya2010 [7]3 years ago
7 0

Answer:

An added force of 20 N down the hill

Explanation:

It just makes sense, more force makes the bike go faster.

Marina86 [1]3 years ago
4 0

Answer: Um I would say maybe b

Explanation:

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Energy Calculations
MaRussiya [10]

Answer: 20,734.69 N/m

Explanation:

The elastic potential energy (ELPE) of the rubber band is given by

E=\frac{1}{2}kx^2

where

k is the spring constant

x = 0.035 m is the stretching of the rubber band

E = 12.7 J is the ELPE of the rubber band

Substituting the numbers and re-arranging the equation, we find

k=\frac{2E}{x^2}=\frac{2\cdot 12.7 J}{(0.035 m)^2}=20,734.69 N/m

6 0
2 years ago
Two charges repel one another at 5N, if the distance between them is 2m and the force increases to 25N, what is the new distance
Mice21 [21]

Answer:

a

Explanation:

5N %¥€

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6 0
3 years ago
How long would this acceleration last
Aleksandr-060686 [28]
It would last as long as the applied force continued, or until the accelerating object hit something.
6 0
2 years ago
The electric field 30cm from a van de Graaff generator is measured to be 28,300N/C. What is the charge of the van de Graaf?
gizmo_the_mogwai [7]

Answer:

14

Explanation:

EWAN KO LANG DIN BASTA YAN ALAM KO

8 0
2 years ago
a 12000.0-kg car is traveling at 19 m/s. the driver suddenly slams on the brakes and skids to a stop. The coefficient of kinetic
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What I don’t get it ?
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