Answer:
The car's instant speed is 20m/s
Explanation:
a = at + an
The above equation is a vector equation
a is the resultant acceleration
at is the tangent acceleration
an is the normal acceleration
See the attached diagram for solution
<h2 />
Answer:
The face of the claw on the claw hammer is usually a smooth curve so as to improve the ease with which nails are removed when removing nails because as the nail held between the V shaped split claw is being pulled out from the wood, it slides more and more towards cheek, reducing the distance of the nail from the cheek which is the fulcrum, thereby increasing the mechanical advantage because the location of the hand on the grip remains unchanged
Explanation:
Given-
Power, P = 800W
Thickness, L = 0.6cm
Area, A = 160cm²
Thermal conductivity, k = 60W/mK
The heat conduction would be

Except
all the values are 0.
Therefore,

Thus, the boundary conditions here would be
1. 
2. 
Answer:
24 hours
Explanation:
you must exchange insurance details after a collision if someone is injured. Otherwise you must report the collision to us as soon as possible (and no later than 24 hours). Although you must report such a collision straight away you should always seek medical help in the first instance.