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aniked [119]
3 years ago
6

On which of the following objects will Earth exert a greater gravitational pull than on a pencil? A.A toothpick B.A piece of pap

er C.A paper clip D.A stapler
Physics
2 answers:
SVEN [57.7K]3 years ago
8 0
Gravity will always affect the object the most with the greater mass. So a stapler has a greater mass than all the other objects given. I would then assume that the correct answer is D.
Lorico [155]3 years ago
4 0

What you're really asking is: 

                   "Which of these objects is heavier than a pencil ?"

The stapler is.
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Quem é ou foi Elon Musk??
mario62 [17]

Explanation:

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3 0
3 years ago
A student is late and running to class. A hall monitor tells them to slow down, so the student slows to a walking speed of 1.4 m
sergey [27]

Answer:

8.9m/s

Explanation:

Final velocity = initial velocity + acceleration *time

Vf=vi+at

Vf=1.4 m/s

Vi=?

A=-2.5m/s^2

T=3

1.4m/s=vi+(-2.5m/s^2)(3s)

Vi=8.9m/s

7 0
3 years ago
A scientist would use a balance to measure
GrogVix [38]
Answer is B

Hope it Helps!

7 0
4 years ago
Read 2 more answers
An object's position in a given coordinate system is described by the vector r = t2 i - (3t + 3) j. Assume the object moves with
Ipatiy [6.2K]

Answer:

The object´s displacement vector is Δr =  8i - 6 j  

Explanation:

Hi there!

The position vector is given by the following function:

r = t²i - (3t + 3) j

Let´s find the position of the object at time t1 and t2:

At t1 = 1 s:

r1 = (1)² i - (3 · (1) + 3 )j

r1 = 1 i - 6 j

At t2 = 3 s:

r2 = (3)² i - (3 · (3) + 3) j

r2 = 9 i - 12 j

The displacement is calculated as follows:

displacement = Δr = final position - initial position = r2 - r1

r2 - r1 = 9 i - 12 j - (1 i - 6 j)

r2 - r1 = 9 i - 12 j - 1 i + 6 j

r2 - r1 = 8 i - 6 j

The object´s displacement vector is Δr =  8i - 6 j  

8 0
3 years ago
A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. During the collision:
dexar [7]

Answer:

B. the force of on the truck due to the collision is exactly equal to the force on the car.

Explanation:

At the time of collision between two objects of unequal or equal masses  two forces emerge at the point of collision .They are called action and reaction force . According to third law of Newton , they are equal . So in the instant case of collision between car and truck , force on both of them  will be equal.

6 0
3 years ago
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