Two objects are dropped simultaneously from the same height….

Two objects are dropped simultaneously from the same height. One object is projected horizontally while the other falls vertically. Which hits the ground first? A) The horizontally projected objectB) The vertically dropped objectC) Both hit the ground at the same timeD) Depends on the horizontal velocity

Which of the following best describes the behavior of a mate…

Which of the following best describes the behavior of a material obeying Hooke’s Law? A) The material returns to its original shape after deformation.B) The material breaks under any load.C) The deformation is proportional to the applied load until the elastic limit.D) The material deforms permanently after removing the load.

A force of 50 N is applied to a 20 kg block on a horizontal…

A force of 50 N is applied to a 20 kg block on a horizontal surface. If μk=0.2\mu_k = 0.2, what is the net force acting on the block? (Take g=9.8 m/s2g = 9.8 \, \text{m/s}^2) A) 6 N6 \, \text{N}6NB) 10 N10 \, \text{N}10NC) 14 N14 \, \text{N}14ND) 30 N30 \, \text{N}30N