A ball with a weight of 0.5 N is submerged under water and then released. There is a net force of 5 N upwards. what is the buyoant force ,
a) 4.5 n upward
b)5 n downward
c) 2.5 n upward
d)5.5 n downward

The harmonic motion of a particle is given by f(t) = 2 cos(3t) + 3 sin(2t), 0 ? t ? 8. (a) when is the position function decreasing? (round you

Which term best describes the phrase “something that happens”?

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.