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ioda
3 years ago
5

What is velocity measured in?

Physics
2 answers:
ollegr [7]3 years ago
5 0
Velocity is a speed and its direction.

The speed part has units of [length/time].
Some popular ones are "miles per hour", "meters per second",
and "furlongs per fortnight".

The direction part can be described in any way that's convenient to
the situation, like "southwest", "up", "down", or "degrees east of north".
seropon [69]3 years ago
3 0
Velocity is measured in units of length per time
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Why don’t we feel the gravitational pull of objects around us?
spayn [35]
It is because gravity is not an independent force. Gravity comes as result of warped space time according to the theory of general relativity. Therefore we can’t feel gravity because it’s not a force that pulls or pushes.
8 0
3 years ago
On his way off to college, Russell drags his suitcase 19 m from the door of his house to the car at a constant speed with a hori
Mashcka [7]

Answer:

The work done on the suitcase is, W = 1691 J

Explanation:

Given data,

The force on the suitcase is, F  = 89 N

The distance Russell dragged the suitcase, S = 19 m

The work done on the suitcase by Russell is equal to the work done on the suitcase to overcome the friction

The work done on the suitcase by Russell is given by the formula

                          W = F · S

Substituting the given values,

                           W = 89 N x 19 m

                           W = 1691 J

Hence, the work done on the suitcase is, W = 1691 J

8 0
4 years ago
Which force makes an object free fall?
LenaWriter [7]
Gravity

Explanation: ree fall is a special type of motion in which the only force acting upon an object is gravity. Objects that are said to be undergoing free fall, are not encountering a significant force of air resistance; they are falling under the sole influence of gravity.
5 0
3 years ago
Read 2 more answers
A 0.70-kg disk with a rotational inertia given by MR 2/2 is free to rotate on a fixed horizontal axis suspended from the ceiling
Setler [38]

Answer:

The force will be "9.8 N".

Explanation:

The given values are:

mass,

m = 0.7 kg

M = 2

g = 9.8

Now,

⇒  \tau = T \alpha

then,

⇒  \frac{1}{2}mR^2(\frac{1}{R}\frac{dv}{dt}) =M(g-a_t)R

⇒  \frac{1}{2}m \ a_t=m(g-a_t)

⇒  a_t=\frac{2g}{(\frac{m}{M} +2)}

On substituting the values, we get

⇒      =\frac{2\times 9.8}{\frac{0.7}{2} +2}

⇒      =8.34 \ m/s

hence,

⇒  T=mg+M(g-a_t)

On substituting the values, we get

⇒      =0.7\times 9.8+2(9.8-8.34)

⇒      =6.86+2(1.46)

⇒      =6.86+2.92

⇒      =9.8 \ N

5 0
3 years ago
A cell is _______ if it lacks a nucleus and membrane-bound organelles.
GREYUIT [131]

B. prokaryotic because prokaryotic cells lack a nucleus and membrane-bound structures.

7 0
3 years ago
Read 2 more answers
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