3 years ago

A 2 kg ball is lifted 5 meters above the ground. How much gravitational potential energy does it have

Physics

2 answers:

olga2289 [7]3 years ago

6 0

The answer is 98N hope it helps

harina [27]3 years ago

3 0

It is either 98 J or 98 N let me check..

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Help me with the question in the image I provided

inna [77]

Answer: 10 s, 30 m/s , 150 m

Explanation:

Given

The speed of motorcyclist is $u_1=15\ m/s$

The initial speed of a police motorcycle is $u_2=0\ m/s$

acceleration of police motorcycle is $a=3\ m/s^2$

Police will catch the motorcyclist when they traveled equal distances

distance traveled by motorcyclist in time t is

$\Rightarrow s_1=15\times t$

Distance traveled by Police in time t is

$\Rightarrow s_2=u_2t+\frac{1}{2}at^2\\\Rightarrow s_2=0+0.5\times 3\times t^2$

put $s_1=s_2$

$\Rightarrow 15t=0.5\times 3\times t^2\\\\\Rightarrow t(1.5t-15)=0\\\\\Rightarrow t=\dfrac{15}{1.5}=10\ s$

Police officer's speed at that time is

$\Rightarrow v_2=u_2+at\\\Rightarrow v_2=0+3\times 10=30\ m/s$

Distance traveled by each vehicle is

$\Rightarrow s_1=s_2=15\times t=15\times 10=150\ m$

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3 years ago

The law of conservation of matter states that during a chemical reaction

Sveta_85 [38]

This law states that, despite chemical reactions or physical transformations, mass is conserved — that is, it cannot be created or destroyed — within an isolated system

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A leopard with a mass of 55.00 kg climbs 12.0 m up a tree. What is it’s gain in GPE

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The answer is: 6,468 j

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What is the wavelength of light (nm) that has a frequency of 6.44 x 1013 s-1?

lesantik [10]

4660

Hope this helped!
STSN

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A deviant person would behave in a culturally unacceptable

aivan3 [116]

Answer:

True

Explanation:

This is because to know how someone behaves, they have to perform a particular action.

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