Question

The height of a plane above the ground is h = 3t^3. height in meters, t...

The height of a plane above the ground is h = 3t^3. height in meters, t in seconds. at t = 2s, the plane releases a box. how long after it was released does the box reach the ground?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The height of a helicopter above the ground is given by h = 2.95t3, where h...
The height of a helicopter above the ground is given by h = 2.95t3, where h is in meters and t is in seconds. At t = 2.05 s, the helicopter releases a small mailbag. How long after its release does the mailbag reach the ground?
The height of a helicopter above the ground is given by h = 2.65t3, where h...
The height of a helicopter above the ground is given by h = 2.65t3, where h is in meters and t is in seconds. After 2.10 s, the helicopter releases a small mailbag. Assume the upward direction is positive and the downward direction is negative. a.) What is the velocity of the mailbag when it is released? b.) What maximum height from the ground does the mailbag reach? c.) What is the velocity of the mailbag when it hits the...
The height of a helicopter above the ground is given by h = 2.60t3, where h...
The height of a helicopter above the ground is given by h = 2.60t3, where h is in meters and t is in seconds. After 2.30 s, the helicopter releases a small mailbag. Assume the upward direction is positive and the downward direction is negative. What is the velocity of the mailbag when it hits the ground?
(a) A superball of mass 0.1kg is dropped from a height of 3 meters above the...
(a) A superball of mass 0.1kg is dropped from a height of 3 meters above the floor. It then bounces up to a height of 2.6 meters. Find the velocity of the ball the instant before it reaches ground level. (Hint: use energy equations) (b) Calculate the velocity the ball must have after the bounce at the instant it leaves the ground the reach the height of 2.6 meters. (c) Use these velocities to calculate the change i. momentum of...
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function...
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t^2+277t+283 Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? How high above sea-level does the rocket get at its peak?
A baseball (a projectile) is launched from a height of 2 meters above the ground at...
A baseball (a projectile) is launched from a height of 2 meters above the ground at a speed of 34 m/s at an angle of 22 degrees above the horizontal. The ball is directly hit a fielder who will catch the ball and the fielder is initially 91 meters from point where the baseball is hit (home plate). If his reaction time is 0.40 seconds (time before he starts to move), what is the minimum speed he much run, in...
An object is launched upward from a platform so that its height (in feet) above the...
An object is launched upward from a platform so that its height (in feet) above the ground t seconds after it is launched is given by the function h(t)=-16t^2 +160t+176. a. When does the object reach its maximum height? What is the maximum height? b. When does the object hit the ground? c. What is the domain and range of this function (given the context)? d. Sketch an accurate graph of this function in an appropriate window. Mark on your...
A sphere is released from a height h from a smooth inclined plane. a. Calculate how...
A sphere is released from a height h from a smooth inclined plane. a. Calculate how fast the sphere reaches the base of the inclined plane. b. If a block were to be released simultaneously from that same height, which would first reach the base of the plane, the block or the sphere? Explain your answer.
4. An air plane flies horizontally with X-velocity  V0x= 360 m/s at an altitude (height above the...
4. An air plane flies horizontally with X-velocity  V0x= 360 m/s at an altitude (height above the ground)=H=Dy= 3645 m. A bag of mass M=40 Kg falls off from the plane, and moves to the ground in a parabolic path without air resistance while the plane ciontinues to fly horizontally. Use g=10 m/s2 and V0Y=0       Part A The time the bag takes to hit the ground is t=____ seconds The time the bag takes to hit the ground is t=____...
A 1.2kg coconut is hanging from a vine at a height of 2 meters above the...
A 1.2kg coconut is hanging from a vine at a height of 2 meters above the ground. When the coconut is dropped it swings down and hits a .8kg lemur, who sticks to the coconut. The coconut then continues its arc up the other side. a. What is the speed of the coconut before it hits the lemur? b. What is the speed of the coconut and lemur after the collision? c. If the lemur wants to reach a persimmon...