A jet is flying with an air speed of 500 m/s. A parcel is dropped out...

A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance.a. How high is the jet?b. How far forward horizontally from the spot where it leaves the jet, does the parcel move during those 40 seconds?c. Where is the parcel relative to the jet?

Expert Solution

(a) When the parcel is dropped from the plane, the parcel will only have a initial horizontal velocity of 500 m/s. In the downwards direction only the acceleration will be there (The acceleration due to gravity). It is given that it took 40 seconds to reach the ground, hence we can calculate the total distance travelled in this time as (This will be the height of the flying jet),

(b) Since there is no acceleration in the horizontal direction, the horizontal velocity will remain constant and hence we can calculate the horizontal distance travelled (relative to the ground ie, relative to the point from where the parcel was released) as,

(c) In this time the plane would have also travelled a distance of 20000 m (Since it also has the same horizontal velocity), therefore when the parcel hits the ground, the plane and parcel would be at the same distance horizontally. It will be like the jet will be just above the parcel at a height of 7848 m when the parcel reaches the ground.

genius_generous answered 3 months ago

A woman is riding a Jet Ski at a speed of 30 m/s and notices a...

A woman is riding a Jet Ski at a speed of 30 m/s and notices a seawall straight ahead. The farthest she can lean the craft in order to make a turn is 23

An eagle is flying horizontally at a speed of 4.8 m/s when the fish in her...

An eagle is flying horizontally at a speed of 4.8 m/s when the fish in her talons wiggles loose and falls into the lake 7 m below. Calculate the speed of the fish relative to the water when it hits the water.

A crow is flying horizontally with a constant speed of 3.00 m/s when it releases a...

A crow is flying horizontally with a constant speed of 3.00 m/s when it releases a clam from its beak. The clam lands on the rocky beach 2.40s later. Consider the moment just before the clam lands. (Neglect air resistance.)

The speed of sound is 353 m/s. Supposed a stone is dropped down a well of...

The speed of sound is 353 m/s. Supposed a stone is dropped down a well of depth d=254.9 m. How much time does it take for a sound to be heard at the top of the well? A. 5.57 s B. 7.16 s C. 6.36 s D. 7.96 s E. 8.75 s

An airplane flying in the air with a constant velocity of 240 m/s horizontally experiences a...

An airplane flying in the air with a constant velocity of 240 m/s horizontally experiences a force due to gravity, directed downwards with a magnitude of 4×10^6 N, and a force generated by the engines, directed forwards with a magnitude of 3 × 10^6 N. a. In light of Newton’s first law, why must there be a third force acting on the airplane? Calculate the magnitude of this third force, and explain its physical origin. Draw this third force on...

Prob.3) A jet-powered aircraft flies at a speed of 320 m / s at an altitude...

Prob.3) A jet-powered aircraft flies at a speed of 320 m / s at an altitude of 9150 m, where the ambient conditions are 32 kPa and –32 ° C. The pressure ratio in the compressor is 12 and the temperature at the inlet of the turbine is 1,400 K. The air enters the compressor at a rate of 60 kg / s and the jet fuel has a calorific value of 42,700 kJ / kg. Assuming ideal operation for...

A plane is flying horizontally at an altitude of 2 mi and a speed of 500...

A plane is flying horizontally at an altitude of 2 mi and a speed of 500 mph passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 3 miles away from the station. Round the final answer to three decimal places

At takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of...

At takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how many rpm are the tires rotating? rpm (b) What is the centripetal acceleration at the edge of the tire? m/s2 (c) With what force must a determined 10-15 kg bacterium cling to the rim? N (d) Take the ratio of this force to the bacterium's weight. (force from part (c) / bacterium's weight) (a) A 23.0 kg child is...

a plane is going East at a speed relative to the air of 160 m/s. a...

a plane is going East at a speed relative to the air of 160 m/s. a 30.0 m/s wind is blowing toward the south while the plane is traveling. The velocity of the plane to a ground observer is:

An object (m = 500 g) with an initial speed of 0.2 m/s collides with another...

An object (m = 500 g) with an initial speed of 0.2 m/s collides with another object (m = 1.5 kg) which was at rest before the collision. Calculate the resulting speed for an inelastic collision (when they stick together). 2. A small object (m = 200 g) collides elastically with a larger object (m = 1000 g), which was at rest before the collision. The incoming speed of the smaller object was 1.0 m/s. The speed of the larger...

Question