Let's imagine a scenario in which a hypothetical subatomic particle of mass 2.9 x 10-28 kg at rest decays into a daughter hypothetical subatomic particle of mass 1.8 x 10-28 kg while emitting a photon. For simplicity, assume that the speed of the daughter particle is considerably lower than the speed of light. Part (a) Calculate the kinetic energy of the photon, in joules. Part(b) Find the energy of the daughter particle, in ioules.

Suppose that two tanks, 1 and 2, each with a large opening at the top, contain different liquids. a small hole is made in the side of each tank at the same depth 1.57 m below the liquid surface, but the hole in tank 2 has 2.49 times the cross-sectional area of the hole in tank 1. (a) what is the ratio ρ1/ρ2 of the densities of the liquids if the mass flow rate is the same for the two holes? (b) what is the ratio rv1/rv2 of the volume flow rates from the two tanks? (c) at one instant, the liquid in tank 1 is 14.9 cm above the hole. if the tanks are to have equal volume flow rates, what height above the hole must the liquid in tank 2 be just then?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.