9 sources I 6 7 A particle moves in a straight line with velocity 10- 2t ft/s. Find the total displacement and total distance traveled over the time interval [0, 7]. PROGRESS Score Completion Displacement: Distance: Submit answer Next item 2 F4 F5 $ A C 55 ft. ft. T Channel UP DELL F6 F7 F8 F9 F10 6 & 8

How fast is the tip of her shadow

A water tank is being drained and has the shape of a rectanuglar box 7m long, 6m wide and 5m high. How fast is the water depth changing when the water depth is 0.9m? V= 42(60-t)^2

show full and complete procedure. HANDWRITTEN only

A baseball diamond is a square whose sides are 90 ft long. If the batter runs at the first base at the rate of 20 fps, how fast is his distance from second base changing when he has run 50 ft? a. 80/971/2 b. -10/901/2                                c. -20/971/2                                        d. -90/971/

You car is moving along in cruise control at a constant speed of 88.3 ft/s (about 60 mi/hr).  A text message appears on your phone and you look down to read it.  When you look back up at the road, you see a car at a complete stop in your lane 156 ft ahead of you.  It takes 0.39 s for you to react and apply the brakes.  When the brakes are applied your car experiences an acceleration of -32.3 ft/s2.  Fortunately, you are able to avoid hitting the other car.  What is the distance between the two cars when you come to a complete stop? (0.9 ft).