Explanation:
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The specific heat of a certain type of cooking oil is 1.75 j/(g·°c). how much heat energy is needed to raise the temperature of
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Wildlife researcher starts from a and then reaches b, he turns towards north 40 degree to move towards c.
Total displacement is ac
Total horizontal displacement = 4+4 cos40 =7.06 km
Total vertical displacement = 4 sin40 =2.57 km
Total displacement = 7.51 km
<u>Answer: </u>
Cat has 2.02 seconds to right itself.
<u>Explanation: </u>
Initial height of cat from ground = 20 meter.
We have equation of motion , , s is the displacement, u is the initial velocity, a is the acceleration and t is the time.
In this the velocity of cat in vertical direction = 0 m/s, acceleration = acceleration due to gravity = 9.8 , we need to calculate time when s = 20 meter.
Substituting
So, cat has 2.02 seconds to right itself.