Aproton has nearly two-thousand times the mass of a( a. electron b. photon c. neutron d. hydrogen atom

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?