Which would be warmer on a winter day when theres no wind, a thick forest or a grassy feild

if one of the classic nuclear physics experiments at the beginning of the 20th century an alpha particle was accelerated toward a gold nucleus and its path was substantially deflected by the coulomb interaction if the energy of the doubly charged

A piece of silicon sample has a resistivity of 0.1 ω. Cm. Its thickness is 100µm. The electron mobility is 1350cm 2 v - 1sec-1. When a magnetic field of bz and an ix of 1ma is supplied, the hall voltage is found out to be - 70µv.

Which of the following organisms would most likely be found at the top of a food web? a Flowers b Bees c Birds d Foxes

How far away is the Sun from the Earth?

What potential difference is needed to stop an electron that has an initial velocity v=6.0

Sliding friction definition

How much would a 100kg man weigh on the surface of the sun where the acceleration is 274 m/s

How much current is in a circuit that includes a 9 - volt battery and a bulb with a resistance of 12 ohms?

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?