A 0.5kg egg is falling at a speed of 10 m/s before hitting the ground. What is the force of impact if the impact time is measured to be 3.0 milliseconds?
A 5.0kg mass has its velocity change 8 m/s to 2 m/s east. Find thee objects change in momentum
A military aircraft flying at an altitude of 1,000 m has launched a glide missile. If the missile landed 100m from the launch point, how fast was the aircraft flying?
A boulder rolls off a 100m high cliff at a speed of 5m/s. How long will it take for the boulder to hit the ground? How far from the base of the cliff will the boulder land?
A simple pendulum has a period of 3.0seconds. If the value of (g) is taken as 9.9ms-2. Calculate the length of the pendulum
A pendulum with a period of 2.00000s in one location (g=9.80ms-2 ) is moved to a new location where the period is now 1.99796s. What is the acceleration due to gravity at its new location
A body in SHM has an angular speed of 4.4rads-1. What is the period of motion
Two resistors with resistors 20 ohms and 60 ohms are connected partly in series and partly in parallel. Draw the circuits with a DC power source and calculate the respective exchange resistance:
a) 20 ohm series with 60 ohms.
b) 20 ohms in parallel with 60 ohms
Two small charged metal spheres at a distance of 0.50 m from each other attract each other with the force F = 5.0 μN. one has a charge of -3.5 nC. What charge does the other bullet have?
A meter stick which is 100 cm is moving with an observed length of 60 cm. What is its speed?