Multiple Choice
A projectile is launched at an angle of 30o above the horizontal. Neglecting air resistance, the ratio of the kinetic energies at the top of the trajectory and the launching point is
A) 1.0.
B) 0.25.
C) 0.50.
D) 0.75.
E) 0.87.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q25: A crate follows a semicircular path of
Q26: An apple falls to the ground from
Q27: A heavy suitcase is carried by a
Q28: A heavy suitcase is carried by a
Q29: A force of variable magnitude acting on
Q31: Car A is three times lighter than
Q32: A spring is stretched 10.0 cm when
Q33: The work-energy theorem is applied to the
Q34: A box is in contact with a
Q35: A flowerpot of mass m, initially at