Question

The ratio of A1:A2 of area of two triangles is 2:5.Their correspondings heights are equal,corresponding bases are b1 and b2.If b1=4cm then b2=?​

Answer 1

Answer:

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Question :-

A girl of mass 65.2kg is travelling at a speed of 18.2 m/s at the top of a 21.5 m high roller coaster loop.

a) Determine the girl's kinetic energy at the top at the loop.

b) Determine the girl's potential energy at the top at the loop.

c) Assuming negligible losses of energy due to friction and air resistance, determine the girl's total mechanical energy at the bottom of the loop ( h = 0 m).

d) Determine the girl's speed at the bottom of the loop.

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❥No coping content from internet

❥Accurate answer required for both (a) , (b) , (c) , (d) with correct explanation

Step-by-step explanation:

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Question :-

A girl of mass 65.2kg is travelling at a speed of 18.2 m/s at the top of a 21.5 m high roller coaster loop.

a) Determine the girl's kinetic energy at the top at the loop.

b) Determine the girl's potential energy at the top at the loop.

c) Assuming negligible losses of energy due to friction and air resistance, determine the girl's total mechanical energy at the bottom of the loop ( h = 0 m).

d) Determine the girl's speed at the bottom of the loop.

❥No spamming

❥No coping content from internet

❥Accurate answer required for both (a) , (b) , (c) , (d) with correct explanation

Answer 2

Hope it helps

By the way keep good questions from now on