An ice hockey puck is struck from one end of the rink to the other end of length 27m. The initial speed is 6m/s and the puck rebounds of the boundary fence on the other side at a speed 0.75 times...

Really unsure with this topic so could you please show working out and how its done for me, huge thank you. 1) For the shape below, showing all calculations find the centroid of the composite...

Kindly Solve it

An aluminium rod (1) [E=70 GPa; α = 22.5 × 10-6 / o C] and brass rod (2) [E=105 GPa; α = 18.0 × 10-6 / o C] are connected to rigid supports as shown. The cross sectional areas of rods (1) and (2)...

4. Two closed organ pipes of length 0.5 m and 0.525 m are sounded together and produce 6 beats per second. What is the velocity of sound in the medium with which the organ pipes are filled...

P is a point 10m from the bottom of a slope, A ball is rolled up the slope from P with as initial velocity of 8 m.s-1 , it undergoes a constant acceleration of -4 m.s-2   a-  i-...

a thick walled pipe of initial length l, initial inner radius ri, and initial outer radius ro is stretched axially by Δl. It is also twisted about its centerline so thats its end faces are rotationally...

a thick walled pipe of initial length l, initial inner radius ri, and initial outer radius ro is stretched axially by Δl. It is also twisted about its centerline so thats its end faces are rotationally...

There is a fixed wedge whose smooth sloping face is inclined at 30 degree to the horizontal. A particle P of mass 2 kg rests on the sloping face of the wedge. A light inextensible string, passes over...

A car whose engine can work at a maximum rate of 20 kW is traveling along a straight horizontal road. The maximum speed of the car is 40 m/s. Find the resistance to motion. The car, which...

A heavy ring of mass 5 kg is threaded on a fixed rough horizontal rod. The coefficient of friction between the ring and the rod is 0.5. A light string is attached to the ring and is pulled downwards...

(A) Two particles P and Q of masses 10 kg and 5 kg respectively are attached to the ends of a light in-extensible string. The string passes a fixed smooth peg. ( It's something like two particles...

three  solid hemispheres of radii r each, are placed in contact with each other with their flat faces on a rough horizontal surface. a sphere of mass m and radius r is placed symetrically on...

A particle Y of mass 2m connected to a fixed point X by a light inextensible string. It is also connected to a particle Z of mass m by a light inextensible string which passes over a light pulley...

A particle of mass m suspended from a fixed point A by a light inextensible string which passes through a small light ring R. The ring is attached to a fixed point B, at the same horizontal level...

%8 to 15 meters is the range %Velocity is 0,15,30,45,60,75,90 clc,clear V_o = input('Velocity at launch = '); Theta = input('Elevation angle at launch = '); a=-9...

1. Assume that every projectile fired by a toy cannon experiences a constant net force F along the entire length of the barrel. If a projectile of mass m leaves the barrel of the cannon with a speed...

A spine attached to a wall maintained at a uniform temperature Tb has the shape of a circular cone with base diameter b, height L and a concave parabolic profile, and it is exposed to a fluid at a...