Kecepatan benda sebagai fungsi waktu dinyatakan oleh V = (2t3-3t2) m/s bila t dalam sekon dan posisi awal 4m. maka posisi saat t=2s adalah

Why does a nylon dress sticks on the body and crackles when removed

A pitcher can throw a ball 40 m vertically upward. What is the maximum horizontal distance he can throw it? (if the launch velocity is the same)

Many people remember that 'heat rises'. This is true for which of these types of heat transfer? a) Conduction, b) Convection, c) Radiation d) None of the above - heat can not rise except briefly until gravity pulls it down again.

Why does matter behave the way it does

What will occur when the trough of Wave A overlaps the trough of Wave B? A. Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B. B.

Why is accuracy important in dodgeball?

A pipe has a length of 1.29 m. Determine the frequency of the first harmonic if the pipe is open at each end. The velocity of sound in air is 343 m/s. Answer in units of Hz.

The half-life of plutonium-238 is 87.7 years. What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.

Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted between S and q is ___ the force exerted between S and p. 1/4 1/16 16 times 4 times

A 21.7kg child descends a slide 3.5 m high and reaches the bottom with a speed of 2.2m/s. How much thermal energy due to friction was generated in this process?