Physics, asked by swarnaabi4237, 7 months ago

A rollercoaster car moves along a track as shown

Answers

Answered by biakmoi18

0

Correct option is a 20m

Speed at point B -√ 2 gh

= √ 2 × 10 × ( 25 - 5 ) = 10 √ 2 ms

For minimum radius of curvature r,

mv 2 r - mg

r - 200 by 10 - 20

Previous Question

Next Question

Similar questions

Chemistry, 3 months ago

What are the characteristic feature /observation of endothermic reactions.

Computer Science, 3 months ago

what will be the output of the following commands a, PR I am a good student b, PR 70 c, PR [computer ]...

Chemistry, 3 months ago

The difference between heat of reaction at constant pressure and constant volume for the reac given below at 25°C in kJ is: Alg) +3BG) ► 0(g)...

Math, 7 months ago

Oxen or 6 horses can eat the grass in 18 days, then 18 oxen and 6 horses will eat the grass in :...

Social Sciences, 7 months ago

When did parvez Musharraf become the chief executive officer of Pakistan...

Biology, 10 months ago

What do you mean by the term wieghtlessness? Explain the state of weightlessness of a freely falling body...

Math, 10 months ago

A train is travelling at the rate of 45krn/hr. How many seconds, it will take to cover a distance of 4 5 km ?

Chemistry, 10 months ago

The volume of 100 g of a solid substance is 25cm3and the density of water is 1g/cm3 (a) find the density of the substance. Will it float or sink in water ? (b) find the relative density of the substance.