Aman pushes a block up an incline at a constant speed. as the block moves up the incline,

a. its kinetic energy and potential energy both increase.
b. its potential energy increases and its kinetic energy remains the same.
c. its potential energy increases and its kinetic energy decreases by the same amount.
d. its kinetic energy increases and its potential energy remains the same.

c.the charges if the proton and electron and gravity

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation: