A plane flying at its maximum speed can go 300 miles per hour with a tailwind or 160 miles per hour into a headwind. What is the plane's maximum speed with no wind?

Q: You are on a planet and drop an object from a height of 2 meters and it takes 3 seconds to hit the…

A: The equation of motion is given by,

Q: ) 50m

A: Refer attachment

Q: Question: An airplane accelerates down a runway at 4 m/s? for 30 s until is finally lifts off the…

A: acceleration, a = 4 m/s^2time, t = 30 s Velocity of plane, v = a*t (first equation of motion)…

Q: How far does a rocket accelerating at 12m/s^2 travel in 120 seconds? What is its speed at this…

A: Given Data The acceleration of rocklet is:a=12 m/s2 The travelling time is:t=120 s The initial…

Q: If a penny is dropped from the top of a 320 ft. building, how fast will it be moving when it hits…

A: Given:  u = 0 ft/s h = 320 ft  g = 32 ft/s2

Q: 1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km: (a) in the…

A:

Q: What is its average velocity during the 1st second?  What is its average velocity during the 2nd…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: You read in an article about astronauts in a major magazine that “about 62 miles up, the atmosphere…

A:

Q: 39. A bullet is fired horizontally from a rifle at 200 m/s from a cliff above a plain below. The…

A:

Q: A ball is dropped from a tower that is 400 m tall. Assuming only gravitational force g = 9.8 m/sec2,…

A: Given data The height of the tower is h=400 m The acceleration on the ball is g=9.8 m/s2 The…

Q: An airplane flies horizontally at a speed of 517 km/h and drops a crate that falls to the horizontal…

A:

Q: The escape velocity of a projectile from the earth is approximately ___________ a) 7km/sec b)…

A: B

Q: A rock is thrown upward at 40 degrees with respect to the horizontal. Ignoring air resistance, the…

A: angle of projection = 40 degreelet the initial speed = v maximum height = v2sin2(40)/2g range =…

Q: A ball at rest at some height h; above the ground falls to Earth. Determine its final speed before…

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Q: a ball is dropped from rest off a cliff of height 100m. assuming gravity accelerates masses…

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Q: A ball is thrown horizontally from a cliff at a speed of 20 m/s. What will it's speed be after 2…

A:

Q: 1. make me one question on relative motion in the forum with complete solutions. here is my example…

A: Sophia is on top of a hill, 20 meters above the ground. She throws a stone off the hill with an…

Q: Bull’s-eye Bob at a hunting range fires his rifle at a target 200 meters downrange. The bullet moves…

A:

Q: why do we launch at a higher altitude to reduce the kinetic energy required to reach orbit?

A: The kinetic energy required to launch an object into space is proportional to the resistance offered…

Q: throws a rock straight up into the air on Planet A.  Jim throws a rock straight up into the air on…

A: Given h is function of t4 .

Q: Is there potential energy or kinetic energy in space? Why or Why not?

A: Reason; Gathering of every charges in space, for example, having electromagnetic potential energy.…

Q: Suppose you drop an object from an airplane traveling at constant velocity, and further suppose that…

A: Let an object drop from an airplane travelling at constant velocity and consider the air resistance…

Q: A vehicle has reduced its speed from 15 m / s to 7 m / s within a distance of 90 meters.  ( explain…

A: Given Initial speed is 15 m/s Final speed is 7 m/s Distance covered in between is S. Time taken is.…

Q: What is speed and how is it determined?

A: What is speed and how is it determined?

Q: A satellite orbits Earth at an altitude of 400 kilometers above the planet’s surface. What is its…

A: At the given altitude the centrifugal force on the satellite is balanced by the gravitational force…

Q: And now some conceptual questions related to the general concepts covered in this course. (Don't…

A: Given a cannon that fires a ball from the top of the cliff. Height of the cliff (H) = 100m. The…

Q: What is relative velocity? Write down the equation for the velocity of one body with respect to…

A: Relative velocity is the vector difference between the velocities of two bodies. It is the velocity…

Q: A stone thrown from the top of a 50-meter tall building at a speed of 16 m/s and at an angle of 30…

A: we have . height of the building =50 m   Initial speed =16 m/s x-component of speed= ux=ucos θ= 16…

Q: you know about kinetic energy and energy conservation, show that the expression for the escape…

A: To find expression for escape velocity we just have to use energy conservation Initially we have…

Q: 3. Arock is dropped from a rest position at the top of a cliff and free falls to the valley below.…

A: We have an object of mass say m which is dropped from the top of a clip so it undergoes free fall…

Q: complete using ( change or constant ) ------- at A , velocity ............ acceleration ..........…

A:

Q: A high diving board is about 92 feet above the water's surface. A diver jumps off the diving board…

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Q: An air hockey puck is initially moving at 0.5 m/s at an angle of 160° on a tilted table where the…

A:

Q: An airplane flying 500mph flew over a monument at the same time that a second arplane also flew over…

A: Given: The speed of the first airplane: v1=500 mph The speed of the second airplane: v2=600 mph The…

Q: When do we talk about acceleration and velocity in accelerated uniform rectilinear motion? Give an…

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Q: What would be the distance that Larry would cover if he runs at 8km/hr for 1 hour? 8 meters…

A: Given: Speed, u=8 km/h Time, t=1 h   To determine distance travelled in time 1 h.     Note:…