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3 years ago

What is velocity and speed

Physics

2 answers:

hammer [34]3 years ago

5 0

Velocity is height , speed is an object being propelled by force

Delicious77 [7]3 years ago

3 0

Hello there.

<span>What is velocity and speed

Answer:
Velocity is the speed of an object in a particular direction.
Speed is the rate at which something / someone moves.

Hope This Helps You!
Good Luck Studying :)</span>

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Scientific investigations

snow_tiger [21]

I don’t know what you are trying to ask complete my but here are the steps to a scientific investigation i hope this helps you

6 0

3 years ago

A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total

Rudik [331]

Answer:

a) 0.41 m/s

b) 0.51 m/s

Explanation:

(a)

M = total mass of wagon, rider and the rock = 93.1 kg

V = initial velocity of wagon = 0.456 m/s

m = mass of the rock = 0.292 kg

v = velocity of rock after throw = 15.4 m/s

V' = velocity of wagon after rock is thrown

Using conservation of momentum

M V = m v + (M - m) V'

(93.1) (0.456) = (0.292) (15.4) + (93.1 - 0.292) V'

V' = 0.41 m/s

M = total mass of wagon, rider and the rock = 93.1 kg

V = initial velocity of wagon = 0.456 m/s

m = mass of the rock = 0.292 kg

v = velocity of rock after throw = - 15.4 m/s

V' = velocity of wagon after rock is thrown

Using conservation of momentum

M V = m v + (M - m) V'

(93.1) (0.456) = (0.292) (- 15.4) + (93.1 - 0.292) V'

V' = 0.51 m/s

6 0

4 years ago

you decide to measure the mass of an aircraft carrier in the CGS system.What unit does your measurement end up in?

Pavel [41]

Pounds I believe? if not then I recommend google :)

6 0

4 years ago

Assuming barber wants to setup a saloon in a measuring length of 3m by 3m. He has a simple wooden chairs,3 large mirror and one

CaHeK987 [17]

The best way to arrange the salon to best use what he has is:

Place the bulb in the middle of the wall
Directly face the chair and mirror in front of the bulb for proper lighting and reflection
Place the chairs side by side of each other
Each mirror should be facing each chai

<h3>What is Reflection?</h3>

This refers to the change in direction of a wavefront between two different media so that the wavefront returns to its originating medium.

Hence, we can see that from our knowledge of shadows and reflection, we can note that mirrors reflect and light helps to bring detail in a dark area and the chairs should be facing the mirrors directly so the customer can see his hair and how it is being cut by the barber.