One particle has a charge of -1.8710-9 C, while another particle has a charge of -1.10 x 10-C. If the two particles are separated by 0.05, what is
the electromagnetic force between them? The equation for Coulomb's law is
kq192, and the constant, k, equals 9.00 x 10-9 Nm2/C2
A. 3.70 x 10^-7 N
B. -7.41 x 10^-6N
C..-3.70 x 10^-7N
D. 7.41 x 10^-6N

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

How does the entropy of steam compare to the entropy of ice?