15. A skier is at the top of a frictionless hill. The hill makes an angle of 30.0° relative to the horizontal. What would be her acceleration down the hill? A. 2.9 m/s² B. 4.9 m/s² C. 3.3 m/s² D. 3.8 m/s² E. 8.5 m/s²
Q: A bicyclist rides down a hill with a 3.0° slope; he attains a terminal speed of 15.0 m/s. What…
A: It is given that,
Q: Mr. Stick lives on the planet Teflon where the force due to gravity is different than that of Earth.…
A: Given, Height,H=10 m Time to fall down,t=1.8 s Initial velocity,v0=0 m/s
Q: 11. A 0.500 [kg] ball was thrown downward with an initial speed of 5.00 [m/s] from a height of 5.00…
A:
Q: 4. The driver of a car, which is initially at rest at the top A of the grade, releases the brakes…
A: The acceleration of the car is given by a=3.21-0.008v2 To find the velocity vB at the bottom B of…
Q: An aircraft makes a horizontal circular turn. The air craft enters the turn with velocity of v =…
A: initial velocity, u = 300 i + 400 j time, t = 20 s final velocity, v = 400 i - 300 j The…
Q: Q2. A mass of I kg is suspended from a spring with k = 900N/m. The force of resistance of the medium…
A: Given data: Mass m=1 kg. Spring constant k=900 N/m. The logarithmic decrement is defined as,…
Q: V1 A truck is traveling at 31 m/s when the brakes are fully applied causing the wheels to skid for 3…
A:
Q: A force of friction of 2500 N brings a car travelling at 23 m/s to rest. Over what distance does it…
A: f=Force of friction=2500 Nm=Mass of car=1500 kga=Accelerations=Displacementv=Final…
Q: 48. John fires a projectile in a Uwindsor lab and notes that the 20.0g projectile travels 785 m/s.…
A: John fire a projectile and note that the20 gram projectile penentrate the clay ball. We need to find…
Q: A rocket-powered hockey puck moves on a horizontal frictionless table. The following figure shows…
A:
Q: A boy is filled a cup with water and starts rotating the cup in a vertical circle of radius 0.45 m.…
A: Answer Given Radius r = 0.45 m We have to find speed at the top of the circle needs no to slip water…
Q: A ball of mass 100 g, projected at an angle of 30° from the ground with an initial velocity of 11…
A:
Q: You are in charge of improving the safety of a carnival ride. The ride involves a 165 kg cart…
A:
Q: 1. A 45.0 kg object is pushed up an incline as shown with a horizontal force of 300.0 N. The object…
A:
Q: 2. A block is pushed up a frictionless plane with an initial speed vo and then released. The plane…
A: Given: A block is released with a initial speed = vo. The inclination of plane = 30o.
Q: What minimum velocity must a small roller-coaster car have at the bottom of a frictionless,…
A:
Q: A box is shoved up a frictionless incline with an initial speed of 13 m/s. The inclined plane makes…
A:
Q: A 1100 kg car traveling at 27 m/s starts to decelerate and comes to a complete stop in 578.0 m. What…
A:
Q: 4.0 kg block rests at the edge of a platform that is 20 m above level ground. The block is launched…
A: Given Initial vertical displacement is y0=20 m Final vertical displacement is y=0 Initial vertical…
Q: A bullet is fired vertically downward into a uniform soil medium with an initial velocity of 50 m/s.…
A:
Q: A box is projected upward onto a ramp that has a 15 degree incline. I know knows that it starts with…
A:
Q: 42. John is moving a 14 kg box in a Phsyics lab on an approximately frictionless surface. If the box…
A:
Q: 1. A proton of mass 1.67 x 10-27 kg is initially at rest. It then moves through 1.80 cm along a…
A:
Q: 4.0 m/s
A: Given initial speed of the car v = 4.0 m/s When car is at bottom both centripetal force and weight…
Q: Calculate the acceleration of the 13 kg block shown. Express the acceleration as a vector. 12 N 40%…
A: mass of box ,M = 13 kg
Q: Forces F1 and F2 act at point O in the directions shown to produce the horizontal resultant R = F1…
A:
Q: The wind is blowing 29° east of north at 30 mph. A plane must travel on a resultant path 47° south…
A: Velocity is a vector quantity. Hence it has both magnitude and direction. It is also defined as the…
Q: A 25g ball slides down a smooth inclined plane 0.850 m high that makes an angle of 35 degrees with…
A: The problem contains two parts. Initially, the principle of energy conservation is applied when the…
Q: N9T.5 Suppose we throw a baseball with an initial speed of 12 m/s in a direction 60° upward from the…
A: at the peek, all of its kinetic enrgy converted to potential energy and at that moment the ball is…
Q: 31. A 2.55 kg bucket of sand is attached to a 1.31m long rope and is swung in a vertical circle. At…
A: At the bottom of the circle, the weight of the bucket and the centrifugal force will act in the same…
Q: 1. Ignore air resistance when answering all parts of this question. a. A golf ball is hit at 60.0°…
A:
Q: 1. What is the displacement of a barrel that was going at 15 m/s before stopping as it reached a…
A:
Q: a) Along the frictionless path you have chosen, how does the speed of the puck vary after receiving…
A: a) since surface is frictionless , and we gave just impuse so speed is different from initial speed.…
Q: A motionless minecart can be evenly accelerated to v at any time going through one powered rail…
A: Given, A motionless minecart, starting at rest can be evenly accelerated to v at anytime going…
Q: 2. An object is initially suspended at the height yo = 200 m above the surface of the Earth and at…
A:
Q: 3. A skier of mass m starts from rest at the top of a frictionless, snow covered hill angled at 0…
A:
Q: 24-25. From the tanker, a rope is thrown at an angle of 30° with the horizontal. If its velocity is…
A:
Q: ANSWER A golfer strikes a golf ball with his golf club at 42 m/s and at 30° above the horizontal.…
A: Given initial speed of golf ball = 42 m/s at 30° above the horizontal. air resistance and wind are…
Q: From the surface of the earth, an object is thrown upward with a speed of 19.6 m/s. What is the…
A: If neglect air resistance on the projected object, the only force acting on the projectile is…
Q: The sport of curling is quite popular in Canada. A curler slides a 19.1-kg stone so that it strikes…
A: Stone 1 of mass m=19.1 kg is moving with a velocity v=6.8 m/s (say in +y-direction) before hitting…
Q: Two PHY11X classmates are standing on top of the Carlton Centre. One classmate is standing at the…
A:
Q: IUWGZ A bullet moving 170 m/s strikes a brick wall and comes to rest 3.6 cm inside a brick. If the…
A: initial velocity of the bullet (u) =- 170 m/s final velocity (v) = 0 m/s displacement(d) = -3.6 cm =…
Q: WHAT IS THE MAGNITUDE OF THE VELOCITY OF THE CAR? B. WHAT IS THE THE ACCELERATION OF THE CAR?
A: Given data at=0.5ets=18 m Here, t is the time, and s is the distance traveled by the car. We have to…
Q: ans. a) 3.41 N a) What is the tension in the string? m/sec. The length of the string is 1.2 m. The…
A:
Q: An object started to slide down from rest along an inclined surface with a net acceleration of 4.2…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
