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Physics

Grade-7

Easy

Question

Direction : Calculate the missing term
m = 12 Kg
v = 20 m/s
K.E. = ?

1800 J
600 J
9600 J
2400 J

hint Hint:

2400 J

The correct answer is: 2400 J

KE = $1 half$ mv²
$equals space 1 half space cross times space 12 space cross times space 400$
= 2400 J

Related Questions to study

Direction : Calculate the missing term
m = 12 kg
v = ?
K.E. = 240 J

Direction : Calculate the missing term
m = 12 kg
v = ?
K.E. = 240 J

Direction : Calculate the missing term
m = ?
v = 30 m/s
K.E. = 270 J

Direction : Calculate the missing term
m = ?
v = 30 m/s
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Direction : Calculate the missing term
m = 100 gm
v = 2 m/s
K.E. = ?

Direction : Calculate the missing term
m = 100 gm
v = 2 m/s
K.E. = ?

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Direction : Calculate the missing term.
m = ?
v = 20 m/s
K.E. = 100 J

Direction : Calculate the missing term.
m = ?
v = 20 m/s
K.E. = 100 J

Direction : Calculate the missing term.
m = 1500 g
v = 100 m/s
K.E. = ?

Direction : Calculate the missing term.
m = 1500 g
v = 100 m/s
K.E. = ?

Direction : Calculate the missing term.
m = 25 Kg
v = 10 m/s
K.E. = ?

Direction : Calculate the missing term.
m = 25 Kg
v = 10 m/s
K.E. = ?

parallel

Direction : Calculate the missing term.
m = 10 kg
K.E. = 250 J
v = ?

Direction : Calculate the missing term.
m = 10 kg
K.E. = 250 J
v = ?

Identify the odd one out.

Identify the odd one out.

What is wrong with the given formula?
$KE space equals space 2 mv squared$

What is wrong with the given formula?
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