Physics Answers

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?

The mechanical power output of a cyclist moving at a constant speed of 5.90 m/s on a level road is 107 W.

What is the force exerted on the cyclist and the bicycle by the air?

The orbital period of Planet A is 16 years and its average distance to Star B is 5.25 a.u. Another planet called Planet C has an average distance of 10.3 a.u. from Star B, using Kepler’s Third Law of Planetary Motion, compute the orbital period of Planet C to Star B in days

The orbital period of Planet A is 16 years and its average distance to Star B is 5.25 a.u. Another planet called Planet C has an average distance of 10.3 a.u. from Star B, using Kepler’s Third Law of Planetary Motion, compute the orbital period of Planet C to Star B in days

Determine the displacement vector that must be added to the displacement(25i - 16j) metre to give a displacement of 7.0 metres pointing in the x+ direction

A meter stick which is 100 cm is moving with an observed length of 60 cm. What is its speed?