Consider the graph below of a certain object's position in metres with time > 0 in seconds. When is the object accelerating.in a positive direction? 6. 4. 1. 3 4 6. 9 -2+
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- V (m/s) 90 60 30 t (s) 10 20 30 40 50 60 This is the V-t graph for an object moving along the x-axis. What is the acceleration at t = 50s? O- 4.5 m/s2 -1.5 m/s? 1.5 m/s2 1.8 m/s2really need asapThe velocity-time leftward-moving table represents the motion of a car. What is the magnitude and direction of the car's acceleration? Time (s) 0.0 1.0 2.0 3.0 4.0 Magnitude: Direction: Velocity (m/s) 26.0, left 20.0, left 14.0, left 8.0, left 2.0, left
- A car is moving with a velocity v(t)= 100-t2 in units of ft/sec where t is in seconds when the brakes are applied at t = 0. How far will the car travel before it comes to a stop, and what is its average velocity during that time?A skydiver falls d1 = 435 meters in t1 = 7.9 s before opening his parachute. After the chute opens, he falls an additional d2 = 825 meters in t2 = 136 s. Calculate the skydiver’s average speed during the entire fall, vave, in meters per secondAssume that an MX missile goes from rest to a suborbital velocity of 9.50 km/s in 50.0 s (the actual speed and time are classified). What is its average acceleration in m/s2? What is its average acceleration in multiples of g?
- the attached graph that is shown is a position versus time graph. The vertical dashed lines divide the graph into five time intervals where the acceleration is constant within each interval. What is the acceleration at t=12.0 in m/s2?Consider a runner traveling with an initial velocity of 3.1 m/s in the positive direction accelerates at a constant rate of 1.8 m/s2 for a time of 3 seconds. What distance does the runner cover during this process? The distance traveled by the runner is ? m.