Mechanics | Relativity Answers

A = 8kg , 10 ms-1 and moves to East

B = 5kg , 20ms-1 and moves to North

-Before Hitting-


A+B = 13kg
& -After Hitting-


if the hitting is fully unelastic, find the velocity of A and B after hitting.What is the direction that A+B moves after hitting.

A force is applied on a body ,mass 50 kg, for 8 sec. After that the body cover 80m distance in 5 sec in coming to rest.Find the force applied.

Select simple but efficient project topic for a student studying their graduate.

The empire state building, 380 m high is observed by a man 3.567 km away. What is the angle between the ground and his line of sight to the top of the building?

A bus travels at 40kmph for a distance of 80 km and at 60kmph for a distance of 180km. The average speed is __

Hi there,
What would happen if two spaceships going in opposite directions, traveling at the speed of light ran straight into each other?

Please. How can I derive the units of this quantities

1.
a. Viscosity

b. The specific heat capacity

c, Density

d. Pressure

2. 10km to SI unit, 5 hrs, 100g, 65cm, 96mm.
3. 100g/cm3 to kg/m3, 0.2km/h to m/s, 5m/s to cm/s, 580mm/h to m/s.

Find the force F which when applied at an horizontal angle of 15 degrees to the center of a wheel of radius R and weight W will pull it over a step of height y <r

Three springs of force constants, K1=10N/m, K2=12.5N/m, and K3=15N/m are connected together and attached to a mass of 0.50kg. The mass is then pulled to the right and released. Determine the period of the motion when the springs are combined in series and parallel.

A uniform stick of mass M and length L is pivoted at one end. a.)Find the period of oscillation for small angular displacement. b.) Find the period of oscillation if the stick is pivoted about point P a distance x from the center of mass.