A3,568 kg elephant is riding a bicycle at a speed of 43 m/s. out of nowhere, a zebra runs out in the elephant's path and he must slam on his brakes. if the bicycle's brakes exert a stopping force of -1 kn, how far will it take to stop the bicycle?

3302 meters!

Explanation:

Wow!

The acceleration due to the stopping force of the brakes is given by Force/mass = 1000/3568 =.28m/s^-2

We will apply the equations of motion to calculate the braking distance.

; where V is the final velocity, U is the initial velocity, a is the acceleration and s is the displacement.

0=43^2-2(0.28)*s

Solve for s.

absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas.

emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.

explanation:

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: