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3 years ago

the mass of a lump of gold is constant everywhere but its weight isnt explain both in weight and mass

2 answers:

4 0

Mass is the how much space the object is taking up while mass is the amount of force is exerted by the force of gravity. Weight is the measurement of the force which gravity acts upon.

DiKsa [7]3 years ago

3 0

That is very true, but what is the question asking you.

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A cannon ball launched horizontally with a speed of 20m/s and a baseball dropped off a cliff and it accelerates at a rate of 10m

miskamm [114]

If they both start from the same height, then they both hit the ground at the
same time. It makes no difference if their horizontal speeds aren't equal.
The cannon ball still accelerates downward at the same rate as the baseball.

8 0

3 years ago

What happens when light passes through a prism or diffraction grating?

Dimas [21]

Answer:

The light scatters in all directions.

6 0

3 years ago

How many Sig Figs (Significant Figures) are in each number? 5070.0 870.064080

nlexa [21]

∑ Hey, Lethality ⊃

Answer:

5070.0 has 5 significant figures

870.064080 has 9 significant figures

Explanation:

Given:

How many Sig Figs (Significant Figures) are in each number?

5070.0

870.064080

Solution:

-------------------------------------------------------------------------------------------------------------

5070.0

5070.0 has 5 significant figures ( 5 , 0 , 7 , 0 , and 0 )

Number of significant figures: 5

-------------------------------------------------------------------------------------------------------------

870.064080

870.064080 has 9 significant figures ( 8, 7 ,0,0, 6,4,0,8 and 0 )

Number of significant figures: 9

-------------------------------------------------------------------------------------------------------------

xcookiex12

8/23/2022

5 0

1 year ago

In order for an object to have kinetic energy it must have a mass and a ?

almond37 [142]

Answer:

Velocity

Explanation:

The mechanical energy of the body is defined as the sum of the potential energy and kinetic energy.

E = P.E + K.E

The potential energy of a body is due to the height from the surface of the earth.

P.E = mgh

The kinetic energy of the is possessed by the body due to the virtue of its motion,

K.E = ½ mv²

If there is no velocity associated with the body, there is no K.E in the body.

8 0

3 years ago

PLEASE HELP!

sergiy2304 [10]

Answer: b

Explanation:

p=mv

p=30

m=1500

rearrange to find v

(30)=(1500)(v)

v= 30/1500

v = 0.02 m/s

6 0

2 years ago