A student accidentally dropped her pen from the fourth floor of the school building which is 14 m from the ground. How fast is it moving when it hits the ground?

Include a picture or description of your coordinate system (origin, positive direction).

Q:A fires a rocket beside from rest at an angle 30° and accelerates at 30 m/s2 for 3.0 s. The engine shuts off at a height 202.5 m above the ground. a) Calculate the speed of the rocket after 3s. reached? b) At what time after t = 0 will the maximum height c) What maximum height will the rocket reach

At 10:17 a.m., you pass a police car at 55 mph that is stopped on the freeway. You pass a second police car at 55 mph at 10:53 a.m., which is located 39 mi from the first police car. If the speed limit is 60 mph, can the police cite you for speeding? а. a. The total time between your two police car sightings was P hours. b. Your average speed between the two police car sightings was 8, mph. c. Can the police cite you for speeding? No, your average speed was less than the speed limit. CYes, since your average speed was more than the speed limit, there must have been somewhere within the 39 mi where you were driving more than 60 mph.

A car is driving on I-80 traveling at 75 mph. It passes a police officer on the side of the road who is stationary. The moment that the car passes the police officer, the officer accelerates at a constant rate of 20 ft/s2 until she reaches a speed of 80 mph. At that point, her speed is maintained.  a. How far does the police car travel before reaching its full speed (in ft)? b. How far does the car travel while the police car is speeding up (in ft)? c. How far does the police car travel before catching up with the car (in ft)?

A hyena first notices a lion attacking when the lion is 12.5 m away and moving toward the hyena at a speed of 5 m/s. The hyena begins to accelerate away from the lion at 3m/s and the lion simultaneously begins to accelerate at 2m/s . a. How long in seconds it takes the lion to catch up with the hyena? b. How far in meters has the hyena traveled when the lion catches up with it?

S-1 pt S-1 pt 1. Jason is racing his dirt bike and comes out of a turn into a long straightaway going a velocity of 15m/s and accelerates at a rate of 2m/s^2. Jason accelerates for 6 seconds. How much distance does Jason cover in that time period? G-Given (what are the givens in the problem) * v-15m/s

A dolphin in an aquatic show jumps straight up out of the water at a velocity of 15 m/s.   A: How long is the dolphin in the air in seconds? Neglect any effects due to his size or orientation.

A rhinoceros is at the origin of coordinates at time t1 = 0. For the time interval from t1 to t2 = 11.0 s, the rhino's average velocity has x-component - 4.20 m/s and y-component 5.10 m/s.  a. At time t2 = 11.0 s what is the x-coordinate of the rhino? b. At time t2 = 11.0 s what is the y-coordinate of the rhino? c. How far is the rhino from the origin?