The table shows information about four objects resting at the top of a hill. A 3-column table with 4 rows titled Four Objects at Rest on a Hill. The first column labeled Object has entries W, X, Y, Z. The second column labeled Mass (kilograms) has entries 50, 35, 62, 24. The third column labeled Potential Energy (Joules) has entries 980, 1029, 1519, 1176.
Which object is on the tallest hill?

W
X
Y
Z

It is Z i believe.

Explanation:

Potential Energy = mass x gravity x height

W: 980 = (50)(9.8)(h)

X: 1029 = (35)(9.8)(h)

Y: 1519 = (62)(9.8)(h)

Z: 1176 = (24)(9.8)(h)

simplify:

W: 980 = 490h

X: 1029 = 343h

Y: 1519 = 607.6h

Z: 1176 = 235.2h

Divide from both sides of each equation:

W: (980/490) = h

X: (1029/343) = h

Y: (1519/607.6) = h

Z: (1176/235.2) = h

Simplify the left side:

W: 2 = h

X: 3 = h

Y: 2.5 = h

Z: 5=h

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:

the assestment will probley apele with cause and effect