) State the relation between acceleration and momentum (10 marks). (B) Two small steel balls A and B have mass 0.6 kg and 0.2 kg respectively. They are

moving towards each other in opposite directions on a smooth horizontal table when they

collide directly. Immediately before the collision, the speed of A is 8 m/s and the speed of B

is 2 m/s. Immediately after the collision, the direction of motion of A is unchanged and the

speed of B is twice the speed of A. Find :

a. The speed of A immediately after the collision (10 marks),

b. The magnitude of the impulse exerted on B in the collision​

v 154.9= 0.9 length length s little over 154.9cm

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

a sonic boom is a loud boom that breaks the sound barrier

explanation: