A roaller-coaster cart initially moves with a speed of 8.92 m/s up an incline, without friction. If the mass of the cart is 55.6 kg If the cart coasts up the incline, after what distance will it come to a stop?

Q: An object is launched from the ground with an initial velocity and ankle such that the maximum…

A:

Q: An object is located at a distance of f/2 of a convex lens. Locate and characterize the image formed…

A:

Q: magnetic field. Two loops have the same area, but one is made of plastic and the other copper. In…

A: C) voltage is same in both Reason Faraday's first law of electromagnetic induction- Whenever…

Q: You friend says that one way to improve air quality in a city is top have the traffic lights…

A: when you travel at a constant speed you do not apply any brakes or any acceleration that makes

Q: In an integrated circuit, the current density in a 2.3-um-thick x 75-um-wide gold film is 7.0x105…

A: Given data:  A gold film  Thickness = 2.3 μm Width = 75 μm Current density (J) = 7.0×105 A/m2  Time…

Q: A car whose initial speed is 50m/s has an acceleration of 4 m/s2. Determine: Calculate the final…

A:

Q: Two blocks X and Y, of masses m and 3m respectively, are accelerated along a smooth horizontal…

A:

Q: Laser light with an unknown wavelength illuminates a pair of distant slits at normal incidence and…

A: Double Slit Interference A monochromatic beam of light passing through a pair of closely spaced…

Q: ▼ Part A For what electric field strength would the current in a 1.7-mm-diameter nichrome wire be…

A:

Q: Suppose you have a 115-kg wooden crate resting on a wood floor. (?k = 0.3 and ?s = 0.5) (a) What…

A:

Q: Light incident on an unknown material at an angle of 35 degrees. The refracted beam travels .246…

A:

Q: 1. A bouncy ball is release from rest (zero velocity) from a crane that is 10 m above the ground.…

A: a)here we are given  u=0 (initial velocity) height=10 m  now the potential energy at 10m is…

Q: A 16.0-kg mass and a 2.25-kg mass are connected by a light string over a massless, frictionless…

A:

Q: A vector force of magnitude 100N moves in the North East direction, making an angle of 40° with the…

A: Given data:  Force (F) = 100 N Angle (θ) = 40°, with the horizontal Required: The vertical and…

Q: Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom…

A:

Q: The mass of a train is 16,845 kg. If the train accelerates at 1.1 m/s2, what net force (in Newtons)…

A: Given - mass of train m = 16845 kg Acceleration of train  a= 1.1 m/s2

Q: A box is given a kick, and subsequently slides along a horizontal, frictionless surface with…

A: Given that, the initial velocity of the box is vo the angle of inclination of the ramp is θ maximum…

Q: In the figure, a 5.20 kg block is sent sliding up a plane inclined at 0= 37.0° while a horizontal…

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

Q: what is the difference between static friction and kinetic friction?

A: According to question we need to find --- what is the difference between static friction and…

Q: An 8-kg block is suspended by three cables as shown below. If T3 is perfectly horizontal and the…

A: Given data:  An 8 kg block is suspended by the three cables T3 is perfectly horizontal Required: The…

Q: An archer fires an arrow at a target that is a horizontal distance d = 55 m away; the bull’s-eye of…

A: Given value--- horizontal distance = 55 m. initial speed = 35 m/s. We have to find--- launch…

Q: Take ↓ to be the +y direction. You throw a baseball downward with v0 > vter. Sketch the velocity…

A:

Q: A child ties a rock to a 1.5m long string and swings it around in a horizontal circle at a constant…

A: Given data:  Radius of circular path (r) = 1.5 m Constant Speed (v) = 3.4 m/s Required: Period,…

Q: What will happen to the escape velocity at the surface of a star if it collapses under the force of…

A:

Q: The wire in (Figure 1) consists of two segments of different diameters but made from the same metal.…

A: The electric current density is the  at a point in a conductor is the electric current flowing…

Q: Three concurrent and coplanar forces in equilibrium are shown in the figure. Hint: Use cosine…

A:

Q: Imagine that you are comparing three different ways of having a ball move down through the same…

A:

Q: Estimate the speed with which an Usain Bolt crosses the finish line of the 100 m dash (not just…

A:

Q: Compare the pressure exerted by the tires of your car on the road with the air pressure in the…

A: The pressure of air inside the tires will be same as the pressure exerted by the tire on the road

Q: 17. For a projectile, the y-axis motion occurs as a result of the gravitational action on the…

A:

Q: Consider the 65.0 kg ice skater being pushed by two others shown in the figure. F₁ Ftot F₁ Free-body…

A: Given, mass of the skter, m = 65.0 kg Force  F1 = 28.8 NF2 = 18.6 N

Q: Find the power in a circuit that has a 20 V battery and a 3.0 A current.

A: Given data:  Battery Voltage (V) = 20 V Current (I) = 3.0 A Required: Power (P)

Q: The bar shown below is inclined at 45 degrees with the horizontal and at equilibrium. The force at C…

A:

Q: In the Marvel comic series X-Men, Colossus would sometimes throw Wolverine toward an enemy in what…

A:

Q: A boat (with a flat bottom) and its cargo weigh 5,600 N. The area of the boat's bottom is 5 m2. How…

A:

Q: You and your friend Gandalf are mowing lawns for extra spending money. Gandalf pushes his mower 20 m…

A: Given data:  Displacement (d1) = 20 m Force (F1) = 100 N Force (F2) = 40 N The work done by both…

Q: At high altitudes, such as being up a mountain, the air pressure is lower (aka the air is thin) Many…

A: At high altitudes, air pressure at the surface of batter of dough is less due to which the batter…

Q: Power can be generated in principle by utilizing the naturally occurring decrease with depth of the…

A:

Q: If the current in the Helmholtz coils were 2.4 A, rather than 1 A, and the accelerating voltage were…

A:

Q: 20. Spring Motion A weight attached to a spring is pulled down 2 in. below the equilib- rium…

A: initial pull of the spring = 2 inch below the equilibrium time period (T) = 13 sec

Q: 8. A series L-C-R circuit with R=20 S2, L=1.5 H and C=35 µF is connected to a variable frequency 200…

A:

Q: Three boxes are attached together with ropes having tensions T₁ and T2, as shown in the figure…

A: Given:-  The mass mA = 22.4 kg  mB = 18.3 kg  mC = 25.5 kg  The force F = 400 N  The angle θ= 35°…

Q: a. Draw free-body diagrams for blocks A and B. Clearly label each of the forces using the notation…

A: The figures below show the free body diagrams of the two blocks.

Q: mangetic lift used to hoist very heavy iron objects at a scrap yard lifts a car of mass 2367.55 kg…

A:

Q: Consider the problem and answer the subquestions.

A:

Q: 7. A current of 2 A flows through a 2 2 resistor when connected across a battery. The same battery…

A:

Q: molecular basis explanation for LED

A:

Q: A 0.13 kg block on a horizontal frictionless surface is attached to a spring whose force constant is…

A: Given: Mass of the block (m) = 0.13 kg force constant (K)= 300 N/m displacement from equilibrium…

Q: a 90-kg satellite orbits a distant planet with a radius of 4000 km and a period of 280 min. From the…

A: Given:-  The mass of the satellite is m = 90 kg  The radius of the orbits of a distant planet is r =…

Q: A 2.20 kg block is initially at rest on a horizontal surface. A horizontal force of magnitude 4.22 N…

A: Given:-  The mass of the block is m = 2.20 kg  The block is initially on the rest.  The applied…