Hello, i just need the right answer without explanation. Thank you Question 17 (1 point) A skier of mass 110 kg travels

[answerhappygod]

Hello, i just need the right answer without explanation. Thank
you
Question 17 (1 point)
A skier of mass 110 kg travels down a frictionless ski trail
with a top elevation of 100 m. Calculate the speed of the skier
when he reaches the bottom of the ski trail. Assume he starts from
rest.
Question 17 options:
64m/s
40m/s
44m/s
38m/s
Question 18 (1 point)
A 50 kg student bounces up from a trampoline with a speed of 3.4
m/s. Determine the work done on the student by the force of gravity
when she is 5.3 m above the trampoline.
Question 18 options:
701J
-701J
2597J
-2597J
Question 19 (1 point)
A boy and a girl pull and push a crate along an icy horizontal
surface, moving it 15 m at a constant speed. The boy exerts 50 N of
force at an angle of 520 above the horizontal, and
the girl exerts a force of 50 N at an angle of
320 above the horizontal. Calculate the total work
done by the boy and girl together.
Question 19 options:
1700J
1500J
1098J
1000J
Question 20 (1 point)
An archer is able to shoot an arrow with a mass of 0.050 kg at a
speed of 120 km/h. If a baseball of mass 0.15 kg is given the same
kinetic energy, determine its speed.
Question 20 options:
19m/s
26m/s
69m/s
48m/s