A roller coaster reaches the top of the steepest hill with a speed of 7.00 km/h. It then descends the hill, which is at an average angle of 40° and is 44.0 mlong. What will its speed be when it reaches the bottom? Assume Âμk = 0.18. Please show answer in m/s with the diagram if possible. Thanks.

Q: A skier descends along a slope that has an incline of 15.0o . Assuming the slope is frictionless,…

A:

Q: A postal employee drives a delivery truck along the route shown in fig. Use component method to…

A: d1 = 2.6  j^ km d2 = 4 i^ kmd3 = 3.1 ( Cos45oi^ + Sin45oj^)d3 = 2.19i^ + 2.19j^ km

Q: A commuter airplane starts from an airport and takes the route shown in the figure below. The plane…

A:

Q: Nancy hits golf balls off the practice tee with an initial velocity of 66 ft/sec with two different…

A:

Q: The known elevations of the ski jumping hill shown below are as follows: hB = 2.0 m hC = 7.0 m If…

A: Given data :  hC = 7.0 m Velocity at position C (Vc) = 25.4 m/s Velocity at position A (VA) = 0 m/s

Q: In the figure, a stone is projected at a cliff of height h with an initial speed of 45.0 m/s…

A:

Q: If A is a vector representing 100 km/h W15°S, what is - A? 5 A. 60 km/h N 15°E B. 60 km/h S 75°W C.…

A:

Q: An archer shoots an arrow into the air with an initial speed of 22.5 m/s, at an angle of 32.0…

A:

Q: The position of a honey bee (in units of meters) at t = 0.00 s is given by A = 2.00i+ 2.00j-3.00k.…

A:

Q: A girl runs 40 m, West, 50 m South, 60 m, East. What is his net displacement?

A: Given data:  The girl runs 40 m, due West 50 m, due South Then 60 m, due East Required: The net…

Q: In the figure, a stone is projected at a cliff of height h with an initial speed of 48.0 m/s…

A:

Q: What is the minimum speed (in m/s) at which Messi must kick the ball horizontally so that the monkey…

A: Given,Height of the roof, H = 7 mdistance between the houses, R = 6 mg = 9.81 m/s2

Q: The known elevations of the ski jumping hill shown below are as follows: hB = 1.5 m hC = 7.5 m If…

A:

Q: A jetliner is moving at a speed of 245 m/s. The vertical component of the plane's velocity is 40.6…

A:

Q: Draw each of the following vectors, then find its x- and y-components.a. d→ = (100 m, 45° below…

A:

Q: A bicycle chain is wrapped around a rear sprocket (r = 0.037 m) and a front sprocket (r = 0.06 m).…

A: The magnitude of acceleration of chain link that is in contact with the rear sprocket is

Q: After an airplane takes off, it travels 10.4km 15° N of W 8.7km 60° E of S 13.2km S What is the…

A:

Q: 20. A baseball player throws a baseball upward with an initial velocity of 40 ft/s and plans to…

A:

Q: The bricks were thrown by the kevin. It turns out that the angle of elevation is 53°. If the kevin…

A:

Q: 21. A block is launched up the frictionless incline in the diagram below with an initial speed of…

A:

Q: A projectile is launched at an angle of 45° to the horizontal from 6 ft above the ground at an…

A:

Q: An Olympic diver is on a diving platform 4.60 m above the water. To start her dive, she runs off of…

A: Time taken for vertical displacement is,

Q: Which of the following correctly applies to a projectile In the absence of friction? A.      The…

A:

Q: A soccer ball, kicked from ground level at an angle of 65.0° above horizontal, is in the air for…

A:

Q: A Canada goose flew 1.45 km [15.0 ̊ S of W] to feed, then it flew 1.64 km [70.0 ̊ S of E] to its…

A:

Q: A biker travels 8 km, north, and then 5 km, south again. Which of these gives the total distance and…

A:

Q: A speedboat moves west at 108km/h for 20.0 min. It then moves at 60.0 degrees south of west at 90.0…

A:

Q: Determine an expression for the velocity vA of the cart A down the incline in terms of the upward…

A: Given-h=1.93mx=3.09mVB=3.14m/sVA=?

Q: in order to change a 3.23kg shooping cart velocity from 3.25 m/s east to 7.10 m/s east,what the…

A: Given: Mass of cart (m) = 3.23 kg Initial velocity (v1) = 3.25 m/s. Final velocity (v2)  = 7.1 m/s.…

Q: I need help with this HW problem

A:

Q: What is the magnitude of the resultant velocity of the speedboat if it heads toward east at 16 m/s…

A: The velocity of an object is defined as the ratio of the displacement to time taken by the object ,…

Q: A stone was thrown downward from atop a building 50 m high with an angle of - 60 degrees and with an…

A: Given  Height of building H=50m Velocity v=6m/s Angle θ=60 deg below horizontal

Q: An airplane accelerates down a runway at 4.12 m/s? for one minute until it finally lifts off the…

A: Given in question: Acceleration of airplane(a) = 4.12 m/s2                                 Time(t) =…

Q: The linear velocity arising from the rotation of the Earth around its axis by a man standing at…

A: The earth completes its rotation about its axis in 24 hours. The radius of the earth is 6.4×106 m.…

Q: As part of their training in BT, a 57kg cadet jumps in TS OCA. What is his velocity before hitting…

A: Given data:  Cadet jumps from the railing of the ship into water  Initial velocity (v0) = 0 m/s…

Q: In the figure, a stone is projected at a cliff of height h with an initial speed of 42.0 m/s…

A: Given:initial speed u= 42 m/s time t = 5.02 sec angle θ=69°

Q: The bricks were thrown by the kevin who was angry because his girlfriend broke up with him. It turns…

A: Launch angle (θ) = 53oInitial velocity (u) = 20 ms

Q: Which of the following statements, if any, involves a vector? a. I walked 2 miles along the beach.…

A: A vector is a quantity which is specified by its magnitude and as well as its direction. For…

Q: Which of the following does not describe a vector quantity? a. a 900 kg mass b. a ball projected…

A: In given problem it is asked about scalar and vector quantities scalar quantity;  these quantities…

Q: In 4.70 h, a ballaon drifts 21.8 km north, 7.31 km east, and 2.79 km upward from its release point…

A:

Q: Initial height = 27 m. Initial velocity = 23 m/s. Initial angle = 29 degrees.   Find the…

A:

Q: When a snowyball rolls off a barn roof at a constant speed of 0.27 m/s, the horizontal component of…

A: Given, magnitude of velocity, v = 0.27 m/s magnitutde of x-component of velocity, vx = 0.08 m/s…

Q: A soccer ball, kicked from ground level at an angle of 64.0° above horizontal, is in the air for…

A: The initial velocity can be determined by, T=2usinAg

Q: If a boat moves at 43 m/s at an angle of 292 in an ocean current of 26 m/s at an angle of 152 while…

A:

Q: small rocket is fired from a launch pad 15 m above the ground with an initial velocity (250,350,500)…

A:

Q: A rocket is fired at an angle of 30° above the horizontal. If the x-component of its initial…

A: Say velocity is v and it can be resolved into two components as given in following diagram: X…

Q: A projectile is launched at an angle of 45° to the horizontal from 6 ft above the ground at an…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –