110 likes | 187 Vues
Answer key for Physics Test. Motion and forces in 2D. Q1. Resultant = sum of all vectors applied Equilibriant = vector equal in magnitude to the resultant, but opposite in direction. Q2. Horizontal velocity = 5.3 m/s away from house Vertical velocity = 3.3 m/s down. Q3. Q4.
E N D
Answer key for Physics Test Motion and forces in 2D
Q1 • Resultant = sum of all vectors applied • Equilibriant = vector equal in magnitude to the resultant, but opposite in direction
Q2 • Horizontal velocity = 5.3 m/s away from house • Vertical velocity = 3.3 m/s down
Q4 • Systems of equations • Acceleration = 3.83 m/s2
Q5 • 8.02 m [ S 4 W] • 8.02 m [W 86 S]
Q6 • Μ = 0.19
Q8 • Determine Fnet, forces are slowing toboggan • Find acceleration: -6.4 m/s2 • Use acceleration to find displacement • D =2.8 m
Q9 • 70 N [N 13 E] • 70 N [E 77N]
Q 10-11 10) A 11) B