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aev [14]
3 years ago
8

Atoms that emit particles and energy from their nuclei are

Physics
1 answer:
saw5 [17]3 years ago
4 0
Atoms that emit particles and energy from their nuclei are (Radioactive).
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a car's engine is only 12 % efficient at converting chemical energy in gasoline to mechanical energy. If it takes 18000 N of for
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I wish i could help but idk the answer

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3 years ago
Light travelling in one material enters another material in which it travels faster. The
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Answer:

c

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Wood is sawed and made into a toy box. is it physical or chemical change
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3 years ago
Whenever an object exerts a force on another object, the second object exerts a force o the same amount, but in the ______ direc
Brut [27]

Answer:

Opposite

Explanation:

Newton's third law of motion states that for every action there is an equal but opposite reaction.

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4 0
3 years ago
In an action movie, a stuntman leaps from the top of one building to the top of another building 5.2 m away. After a running sta
Ksenya-84 [330]
<span>stuntman's vertical velocity is vy= 6 sin 15=1.55m/s. Height that he goes up is, vertical kinetic energy = mgh 1/2 v² = gh, h=v²/(2g)=0.12 m. time wanted to go up= vy/9.8=0.16s, Time to fall through a height 0.12+2.9=3.02m is t=sqrt(3.02*2/9.8)=0.78 s Total time needed to go up and down is 0.78+0.16=0.94 s. to calculate the horizontal range, Horizontal velocity = 6 cos 15=5.8 m/s. Distance which he can cover is 5.8*0.94=5.44 m. If the distance between the two building is less than 5.44 m then he will be safe and he can jump that distance.</span>
8 0
3 years ago
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