|=mr 11 1. Which hest summarizes the motion of this position-time graph? a. Deceleraijon, change direction, acceleration, change direction, constant f velocity: change direction h Deceleration, constantvelocity, stop, constantvelocity, stop, acceleration c. Constantvelocity: deceleration, change direction, acceleration, constant velocity: stop, constant velocity d. Constantvelocity; deceleration, acceleration, constantvelocity, stop, acceleration 2. What happens to the horizontal component of a projectile's velocityr as it travels through its trajectory? a. It increases. h. It decreases. c. It remains constant. d. It accelerates by 9.8m/s: 3. Two forces act on an object: 10 N to the left and 15 N to the right. Which ofthe following statemeniE about the net force and motion of the objectis correct? a. The net force is 5 N to the left, and the object accelerates left. h. The net force is 5 N to the right, and the object accelerates right. c. The net force is zero, and the object remains at rest. d. The net force is 25 N and the object moves at a constant *ireloc'it},r 4. A 70.0 kg student is running at 4.0 m/s. The student jumps and grabs a rope hanging at 3.0 m from the ground without slowing down. Using the principle of energy conservation and neglecting air resistance, how high above the ground will the student swing? (g=10m/s?) a. 3.0m b. 2.7m 3.8m d. 4.1m 5. Which of the following is a valid way to measure wavelength? a. Crest to crest b. Node to crest C. Node to node d. Crest to trough 6. A Tesla roadster has a parallel circuit on the inside. The total current is 28 A and it has 2 resistors as shown. What is the voltage of the Tesla roadster? a. 23v b. 34v I = 28 A C. 120v d. 210v R = 20 R = 30 V = ?V