Bats use a process called echolocation to find their food. This involves giving out sound waves that hit possible prey or food.
2 answers:
You might be interested in
Explanation:
It is given that,
Speed of the sports car, v = 85 mph = 37.99 m/s
The radius of curvature, r = 525 m
Let is the normal weight and
is the apparent weight of the person. Its apparent weight is given by :
So,
or
Hence, this is the required solution.
Answer:
A. Distance over which the force is applied
Explanation:
As we know that in pulley system the mass of the car is balanced by the tension in the string
so here we will have
so here in order to decrease the force needed to lift the car we have to increase Distance over which the force is applied
So here if we increase the distance over which force is applied then it will reduce the effort applied by us in this pulley system as the torque will be more if the distance is more.