Q: A rocket is moving vertically upward with speed 370ˍm/s. What acceleration is needed todouble its…
A: The expression for the required acceleration from kinematics is,
Q: If you drop an object from a height of 1.8 m, it will hit the ground in 0.60s. If you throw a…
A:
Q: A stone is thrown horizontally from a cliff 30m high with an initial speed of 20m/s. How far from…
A: Consider that, the vertical initial velocity is zero,
Q: The elevations of the ski jumping hill shown below are as follows: hA = 46 m hB = 2.4 m hC =…
A:
Q: A circus man is shot out of a cannon 500 meters above ground at a speed of 25 m/s at a launch angle…
A: Given data *The speed of the cannon is u = 25 m/s *The launch angle is θ=500 *The given time is t =…
Q: If a projectile is fired straight up at a speed of 20 m/s, the time it takes to reach the top of its…
A: Given: The initial velocity of the object is 20 m/s upward.
Q: A ball is launch horizontally with speed 25 m/s. If it takes 5 seconds to fall to the ground, how…
A:
Q: A balloon is ascending at the rate of 14m/s14m/s at a height of 98m98m above the ground where a…
A:
Q: An egg is thrown horizontally off a roof which is 81 m high with an initial velocity of 6m/s. How…
A:
Q: An object moving with initial velocity 13m/sec, after time 8sec the velocity becomes 19m/sec, find…
A:
Q: A skier is gliding along at 3.1 m/s on horizontal, frictionless snow. He suddenly starts down a 10∘…
A: Given information:Initial velocity of the skier (u) = 3.1 m/sInclination of the path (θ) = 100Final…
Q: how far will a ball be kicked if it is kicked at 7m/s at an angle of 22 and is in the air for 11…
A: Given data: Speed of the ball (v) = 7 m/s Angle of projectile θ=22° Time of flight (t) = 11 sec…
Q: a swimmer heading straight through a 200m wide river reaches the opposite shore in 6 min 40s. She is…
A:
Q: a certain handgun with a muzzle velocity of 325 m/s is fired straight up. neglecting air resistance,…
A: Initial velocity of bullet (u) = 325 m/sTo find : time taken by the bullet to fall back to the head…
Q: A marble rolling at a speed of 2.71 m/s falls of the end of a table that is 1.25 m high. How far…
A: y=uyt+0.5gt21.25 m=0 m/st+0.59.8 m/s2t2t=0.505 s Thus, the time taken by ball to land the ground is…
Q: A jet must reach a velocity of 77m/s for takeoff. If the runway is 1800 meters long, what must the…
A: The initial velocity of the jet is, The final velocity of the jet is, The distance traveled by jet…
Q: Calculate how long will it take for a rock to hit the ground when it is thrown straight down from a…
A:
Q: A marble rolls off the edge of a tabletop and then lands on the floor 80 cm away from the base of…
A:
Q: a projectile is going up at 40 m/s how long will it take to reach the top
A:
Q: What is the initial velocity of a package dropped from a plane flying horizontally at 250 m/s speed…
A: Velocity is a vector quantity and it is defined as the rate of change displacement.
Q: What constant acceleration is required to bring a rocket to an altitude of 650 meters [up] from rest…
A: Given:
Q: On planet Arcon, the maximum horizontal range of a projectile launched at 10 m/s is 20 m. What is…
A: Given data: Initial velocity (V0) = 10 m/s Maximum horizontal range (Rmax) = 20 m Required: The…
Q: A bullet is fired with a muzzle velocity of 600 m/s. If the length of the barrel is 750 mm, what is…
A: Given data: Muzzle velocity, V=600 m/s Length of the barrel, L=750 mm=750×10-3 m=0.750 m Our…
Q: A rock is thrown horizontally from a 30 m bridge with a speed of 25 m/s. How far from the bottom of…
A: Time taken by the rock to hit the bottom t=2hg=230 m9.8 ms=2.4743 s
Q: projectile is launched horizontally with velocity of 25 m/s from the top of 75 m height . How many…
A: given that projectile is launched horizontally from 75m height ∴ its vertical component of velocity…
Q: The elevations of the ski jumping hill shown below are as follows: hA = 49 m hB = 3.5 m hc = 5.2 m…
A: GivenhA=49 mhB=3.5 mhc=5.2 mvB=25.4 m/s
Q: Mr. Mangan then reaches behind his back and pulls out a silver sword. He spins around and chops off…
A:
Q: A rocket is launched from a height of 3 m with an initial velocity of 15 m/s. At what time will the…
A: Given, Initial height of the rocket, h = 3 m initial speed of the rocket, u = 15 m/s
Q: A roller coaster car rolls from rest down a 20° incline with an acceleration of 5.0 m/s? How far…
A:
Q: The initial speed of a projectile fired upwards from ground level is 20 m/s, what its maximum…
A:
Q: How long will it take a shell fired from a cliff at an initial horizontal velocity of 800 m/s to…
A: Write the given values with the suitable variables. ux=800 m/sh=119 m Here, ux and h are the…
Q: If a high jump athlete crosses a height of 6 m with a pole, at what speed will he hit the ground?
A: Given data: Height (h) = 6 m Need to determine the speed will he hit the ground.
Q: A ball is thrown off a 30m cliff with horizontal velocity of 10m/s. How far from the base of the…
A: When an object is thrown obliquely near the Earth's surface, it moves in curved path. The object is…
Q: An electron has a constant acceleration of +3.2 m/s2. At a certain instant its velocity is +9.6…
A: (a) From kinematics equation, the expression for the final velocity: Here, the final velocity of…
Q: tiger leaps horizontally from a 12 m high rock with a speed of 4.5 m/s. How far from the base of the…
A: Given: Height of the rock, yo = 12 m. Speed of the tiger, vox = 4.5 m/s. To Find: The horizontal…
Q: A bird flies at a velocity of 10.00 m/s straight into the wind. If it takes the bird 22 minutes to…
A:
Q: An egg is thrown horizontally off a roof which is 75 m high with an initial velocity of 6m/s. How…
A:
Q: A book slides horizontally off a shelf 2.8 meters above the floor, at a velocity of 0.25 m/s. How…
A: Firstly time to cover the vertical distance of 2.8 m will be calculated. Initially vertical velocity…
Q: How long will it take a shell fired from a cliff at an initial horizontal velocity of 800 m/s to…
A:
Q: Mr. Mangan throws a rock with a velocity of 600 m/s at an angle 60 degrees above the ground. How…
A: In projectile motion, the maximum height attained by the projectile is given by, H=u2·sin2θ2·g The…
How far does a rocket accelerating at 12m/s^2 travel in 120 seconds? What is its speed at this point?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- A golf ball is hit horizontally off the edge of a 29 m high cliff and lands a distance of 21 m from the edge of the cliff. What was the initial vertical velocity of the golf ball, in m/s? Answer: m/sA baseball player throws a ball straight up into the air. At a height of 2.8 m above the release point, the ball is moving at 2 m/s. What was the ball’s initial speed in m/s? assume ?=9.8?/?^2g=9.8m/s^2.A projectile is shot straight upward from the Earth with a speed of 20 m/s. how high is the projectile when its speed is 8.0 m/s?
- A small rocket is launched straight up. When at a height of 5.0km and velocity of 200.0m/s, it releases its booster and enters free fall. Neglecting air friction, what is the velocity of the rocket at a height of 6.0km on its way up? 143m/s 200m/s 244m/s 397m/sStanding from the top of the building and I want to hit the root of the big tree below. The height of the building is 90m and the tree is 60m away from the foot of the building. If a throw a stone with a speed of 18 m/s, will I hit the target? If yes explain it. If no at what distance will I miss the target?A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 5.9 rev/min, what is the velocity of the child in m/s? O 3.9 m/s O 11.2 m/s O 5.6 m/s 0.9 m/s
- a rock is tossed straight down with a speed of 5.8 m/s and it falls into a hole 32 m deep. what is the rocks velocity as it hits the bottom of the hole?How high does a rocket go if 8.45 km/skm/s ? Ignore air resistance and the Earth's rotation.A bottle rocket takes off with a = 34.5 m/s?. It fires until it reaches a height of 200 m, then shuts off, and gravity takes over. How much time does it take to reach its maximum height? (Unit = s)
- A golf ball is hit horizontally off the edge of a 35 m high cliff and lands a distance of 21 m from the edge of the cliff. What was the initial vertical velocity of the golf ball, in m / s ?A spaceship is traveling at a velocity of v0 = (37.3 m/s)i when its rockets fire, giving it an acceleration of a = (2.55 m/s2)i + (4.19 m/s2)k. How fast, in m/s, is the rocket moving 6.06 s after the rockets fire?A baseball player throws a ball straight up into the air. At a height of 5.4 m above the release point, the ball is moving at 3.7 m/s. What was the ball’s initial speed in m/s? g=9.8m/s^2