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marissa [1.9K]
3 years ago
6

10. Inertia causes your books on the car seat to continue moving forward even after you brake. TrueFalse 11. Tires with little o

r no tread do not have good traction on a wet, snowy, or icy road. TrueFalse 12. When driving on ice and snow, traction is poorest when the temperature is near 32 degrees F. TrueFalse 13. The more energy of motion that a car has, the less time and distance it will take to stop. TrueFalse 14. To help slow a car using engine braking, just take your foot off the accelerator. TrueFalse
Physics
1 answer:
Charra [1.4K]3 years ago
3 0

10. True

11. True

12. True

13. False

14. False

Hope this helps!!

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A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the follo
Kobotan [32]

Answer:

e is correct

Explanation:

7 0
3 years ago
A particle of mass 6.3 x 10-8kg and charge 7.1 muC is traveling due east. It enters perpendicularly a magnetic field whose magni
ASHA 777 [7]

Answer:

t=0.016s

Explanation:

we can use

\frac{v}{r}=\omega=\frac{qB}{m}=\frac{7.1*10^{-6}C*1.7T}{6.3*10^{-8}kg}=191.58s^{-1}

the time that the particle is in the magnetic field is one half oa period. Hence

t=\frac{T}{2}=\frac{\pi}{\omega}=0.016s

I hope this is useful for you

regards

8 0
3 years ago
If you drive through water, your brakes may become slippery and ineffective. To dry the brakes off, __________.
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Answer:

C

Explanation:

Water at normal temperature is a good lubricant  and will hinder the brake from working properly when  the road is wet. To dry the brakes off, apply brakes gently as you accelerate. This will generate some heat that will evaporate the water with the help of friction.

8 0
4 years ago
A load of 36 N attached to a spring hanging
Annette [7]

Answer: 115.38N

Explanation:

Firstly, let's determine the constant.

Hooke's law was discovered by Robert Hooke in 1660.

Using hooke's law which states that provided the elastic limit of an elastic material is not exceeded, the force is equal to the extension applied provided all factors are kept constant.

Hooke's Law is a principle of physics that states that the force which is needed to extend or compress a spring by some distance is proportional to that distance

Therefore,

Force=kx

K= F/x

Where Force= 75m

x= 0.065m

K= 75/0.065m

K= 1153. 846N

We can use the constant to find the force when the distance that is stretched(x) is known.

Here

Force=kx

F= 1153.846 × 0.10

F= 115.38N

The force required to stretch it by this amount is 115.38N.

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3 years ago
___________ charges a neutral body by touching it with a charged body.
k0ka [10]
The correct answer would be cells
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3 years ago
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