Answers: 2
Physics, 21.06.2019 19:40
Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?
Answers: 3
Physics, 24.06.2019 04:30
A25 gram bullet is fired from a gun with a speed of 230 m/s. if the gun has a mass of 0.9 kg what is recoil speed of the gun?
Answers: 2
Physics, 24.06.2019 08:20
Suppose the maximum safe intensity of microwaves for human exposure is taken to be 1.48~\mathrm{watts/m^2}1.48 watts/m 2 . if a radar unit leaks 10.0~\text{watts}10.0 watts of microwaves (other than those sent by its antenna) uniformly in all directions, how far away must you be to be exposed to an intensity considered to be safe? recall that watts = joules/second = power = energy per unit time. assume that the power of the electromagnetic waves spreads uniformly in all directions (i.e. spreads out over the area of a sphere) and use the formula for the surface area of a sphere.
Answers: 3
In the compound MgS, the sulfide ion has 1. lost one electrons. 2. lost two electrons. 3. gained one...
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