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katrin [286]
3 years ago
10

What unit is used to measure force?

Physics
2 answers:
jarptica [38.1K]3 years ago
6 0

Answer:

a

b

a

d

9

Explanation:

Y_Kistochka [10]3 years ago
4 0

Answer:

1. D. Newtons.

2. D. 1st and 2nd.

3. B. Length and time.

4. A. Acceleration.

Explanation:

easy

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Objects falling through the air experience a type of friction called air resistance. true or false
oee [108]

Answer:

True

Explanation:

Objects falling through the air experience a force of opposition called air resistance

8 0
3 years ago
Read 2 more answers
How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and
aev [14]

Answer:

h= 46.66 m

Explanation:

Given that

Initial speed of the car ,u = 110 km/h

We know that

1 km/h= 0.277 m/s

u= 30.55 m/s

lets height gain by car is h.

The final speed of the car will be zero at height h.

v²=u²- 2 g h

v= 0 m/s

0²=30.55²- 2 x 10 x h           ( g = 10 m/s²)

h= 46.66 m

4 0
3 years ago
The apparent backward motion of a planet along the celestial sphere is called ____________ motion.
motikmotik

Answer:

Retrograde

Explanation:

4 0
3 years ago
A moving rope (parallel to the slope) is used to pull skiers up the mountain. If the slope of the hill is 37" and friction is ne
Charra [1.4K]

Since rope is parallel to the inclined plane so here we can say that net force parallel to the person which is pulling upwards must counterbalance the component of weight of the person.

Now here we will do the components of the weight of the person

given that weight of the person = 500 N

now its components are

W_x = 500 cos37

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now here as we can say that one of the component is balanced here by the normal force perpendicular to plane

while the other component of the weight is balanced by the force applied on the rope

So here the force applied on the rope will be given as

F = W_y = 500 sin37

F = 300 N

so it apply 300 N force along the inclined plane

5 0
3 years ago
Which statements describe acceleration? Check all that apply. Negative acceleration occurs when an object slows down in the posi
garik1379 [7]

Answer:

Negative acceleration occurs when the acceleration vector points to the left.

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2. Object speeding up in the  negative direction.

Following six statements:

1. T

2. F

3. T

4. T

5. F

6. T

Check direction of acceleration vector.

7 0
3 years ago
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