A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above the ground t seconds after it is fired is given by h(t)=−16t2+128t+144h(t)=-16t2+128t+144. What is the rocket's maximum height? ................ feet How long does it take for the rocket to reach its maximum height?   ...................     seconds After it is fired, the rocket reaches the ground at t= .................. seconds

Q: ... a. After how many seconds is the ball 12 ft above the moon's surface?

A:

Q: 8. Physics students were modeling the height of a ball once it was dropped from the roof of a 25…

A: initial velocity (v) = 0 msThe height of ball above the ground (h) is given by : h(t) = 300 - 16t2

Q: Can someone please help me understand what I'm doing wrong on this one?

A: Acceleration is the rate of change of velocity. It is equal to the slope of the graph about the…

Q: A drag racer is doing a 1,159 m long racer.  The racer starts from rest and accelerates at 32.6…

A: Given information: The total distance covered by the racer, d=1159 m The initial velocity of the…

Q: 1. Andrew and Kevin decide to try out the physics ideas that they are learning and take their…

A: As per guidelines , only first 3 subparts are solved here. Given, height = 96 feet initial velocity…

Q: #3. A & B. how to work the problem out?

A:

Q: 96.75 km + 109.43 km + 77 km = C. d. 10.970 g – 5.0 g = 797.6 inches x 52 = %3D е. f. 797 inches x…

A: Please see the answers below

Q: Acar is going 19 m/s for 27 s. Draw an accurate graph showing the distance versus time for the car.…

A:

Q: An astronaut on the moon throws a baseball upward. The astronaut is 6 ft, 6 in. tall, and the…

A:

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Assume the height of the cliff is denoted by h. The initial velocity of the rock is u = 0 m/s.…

Q: A car moves along a straight road. It moves at a speed of 50 km/hr for 4 minutes, then during the…

A: This question belongs to kinematics.

Q: The velocity of a rocket is given as a function of time by  v(t) = A(1 – e-bt) for 0 , t , 30 s,…

A: Given velocity v(t) = A(1 – e-bt)........(1) a. we can see the unit of A is same the unit of v  and…

Q: With the ability to measure the motion of land masses, continental drift has become an established…

A: The drift rate is given as,

Q: A jet airplane reaches 863 km/h on a certain flight. What distance does it cover in 5.0 minutes? Set…

A: Speed of jet plane,                                 Time,                                  We need…

Q: A seagull flies at a velocity of 12.5 m/s relative to the air straight into the wind.   vSA = 12.5…

A: Given value--- vSA = 12.5 m/s t = 16 min d = 5.8 km We have to find--- 1. If it takes the bird 16…

Q: A car starts driving at noon (t = 0) and drives at exactly 50 miles per hour until 4pm (t = 4). (a)…

A:

Q: 4. 0 Road Race OO OO 2 3 One person started in a car, ran out of gas, and finished on a pogo stick.…

A: Page 1

Q: 3. A Tesla can accelerate from 0-60 MPH in 2.8 seconds, yielding an average acceleration of 21.4…

A: 3) Initial velocity (u) = 0 mph Final velocity (v) = 60 mph time taken = 2.8 seconds acceleration =…

Q: x (m) Position as a function of time t = 4.00 s 40 20 (s) 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6…

A: Position time, velocity time and acceleration time graph are given.

Q: A ball is kicked vertically upward from the ground, and a student gazing out of a window sees it…

A: a let initial velocity be ug = acceleration due to gravity = 32 ft/sec2then, v2=u2-2ghwhere, v =16…

Q: One of the main speed tests in athletics is the 400 meters dash. At the 1999 Seville World…

A:

Q: As you are driving to school one day, you pass a construction site of a new building and you stop to…

A:

Q: The displacement from point B to point C is  m. The displacement from point C to point D is  m. The…

A:

Q: ectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has…

A: Given that: Speed of Tectonic plates, v= 3 cm/year =3×10-2(365×24×3600)=9.51×10-10 m/s

Q: After Dan makes a basket, Josephine claims she can find the amount of time the ball was in the air…

A: It is only the height that is provided to solve this problem. So, we can only use height in this…

Q: 13. An object is dropped from the top of the Willis Tower (formerly called the Sears Tower) in…

A: Newton's equations of motion can be used to solve constant acceleration problems. When an object is…

Q: e ball is thrown in the air and its height h, in feet from the ground as a function of time t in…

A: here, h(t)=30+80t-16t2where t= 3 seconds

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –