box with mass 13.0 kg moves on a ramp that is inclined at an angle of 55.0∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp surface is μk = 0.300.  a. Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 150.0 N that is parallel to the ramp surface and directed down the ramp, moving the box down the ramp. b. Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 150.0 N that is parallel to the ramp surface and directed up the ramp, moving the

Q: How much power does it take to lift 40.0 N 11.0 m high in 6 s?

A: Given data:  Weight (mg) = 40.0 N Height (h) = 11.0 m Time (t) = 6 s Required: The power (P)

Q: = 120 ft/sec A/a 395 ft 430 ft B 40 ft

A:

Q: vector form.) N/C -4 92 -2 y (cm) 4 2 2 91 x (cm)

A:

Q: A sprinter reaches his maximum speed in 2.0 seconds from rest with constant acceleration. He then…

A: Given data as per question  u  =  0 distance  =  100yard

Q: 2. Using the figure below, suppose the moving rod is 150 cm long, the velocity v is 3.5 m/s, the…

A:

Q: A pulley and string arrangement is used to connect two objects A and B as shown in the diagram…

A: Given data: The mass of an object is mA=4.60 kg The mass of object B is mB=8.10 kg

Q: A projectile is launched from point A with speed vo= 38 m/s. Determine the value of the launch angle…

A: *Z

Q: Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a…

A: Given :  When you exert a force F on a crate of mass m , moving it at a speed v a distance d across…

Q: There is a mass-spring that oscillates with simple harmonic motion. It has a mass of .5 kg, a period…

A: Solution:-  Time period oscillation= 2π (M/K)0.5 Where, M = mass of block.  K = spring constant.…

Q: Based on dimensional analysis the following equation is correct : 1. x = a t2 2. x = at + (1/2)a+3…

A:

Q: m/s 2. 1 At a construction site a worker lifts a cement mixer to the top of a building with a chain…

A: According to Newton's second law F = ma

Q: Two metal spheres, each of radius 2.6 cm, have a center-to-center separation of 2.8 m. Sphere 1 has…

A:

Q: 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is…

A: Given value--- mass = 3 kg. kinetic energy = 20 J. We have to find--- momentum of ball ?

Q: A microwave oven operates by emitting light of frequency of 2.45 GHz. What is the energy of a photon…

A: Frequency of the emitted photon ϑ = 2.45 GHz = 2.45×109 Hz Energy of a photon with a frequency ϑ is…

Q: (a) How much work is done when you push a crate horizontally with 150 N across a 20 m school floor?…

A:

Q: Where is the 10^11 from in the b part of the problem? From the problem, it's 1.50 × 10^8. Thank…

A: Given value--- speed of light = 2.998 x 10^8 m/s. average distance from the Sun to Earth, 1.50 X…

Q: A 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is A…

A: Given data:  Mass (m) = 3.000 kg Kinetic Energy (KE) = 20.00 J Required: The momentum of the ball…

Q: Given that copper has a resistivity of 1.7x10 m and has 8.5x108 free electrons per cubic metre,…

A: In the following problem,  Resistivity, ρ=1.7×10-8Ω Mass of the electron, m=9.1×10-31 kg Number of…

Q: The observation deck of a tall skyscraper 350 m above the street. Determine the time required for a…

A:

Q: The electric potential difference between the ground and a cloud in a particular thunderstorm is 7.7…

A: We know that∆U=q×∆VWhere∆U= the change in the electric potential energy q=the charge∆V=The electric…

Q: Thermodynamics Question: A bunjee jumper jumps from a platform. They accelerate in speed downward…

A: Given condition : Acceleration of bungee jumper is downwards towards the ground. The cord fully gets…

Q: Schematization Draw a diagram of the object that interests us. Draw your x and y axes. Draw and…

A: Given:- Mass of your cousin m =  30 kg Walking speed is v = 1.6 m/s The coefficient of static…

Q: m R A racing greyhound can run around curves at high speed. Suppose the radius of a semicircular…

A: Given data:  Radius (r) = 21.6 m Speed (v) = 15.1 m/s Required: The centripetal acceleration (ac)

Q: Use Snell's Law to find the missing values. You Must Show Work!!!! nะ ? 63⁰ h-l.062 35⁰ 0° 2 h\ - 1…

A:

Q: V = 71.3 V; R1 = 184 Ohms; R2 = 126 Ohms; R3 = 146 Ohms; R4 = 117 Ohms; R5 = 53 Ohms; and R6 = 85…

A:

Q: The figure shows two blocks, initially at rest and connected by a light horizontal rope. At t = 0, a…

A: Given value--- P = 67.1 N. T = 23.8 N. s = 18.5 m in 2.47 s. initial speed = 0 m/s We have to…

Q: Cathode ray tubes (CRTS) used in old-style televisions have been replaced by modern LCD and LED…

A:

Q: The third floor of a house is 10 m above the street level. How much work is required to lift a 500…

A:

Q: 27) A particle’s acceleration is (4.0iˆ+3.0jˆ)m/s2.(4.0i^+3.0j^)m/s2. At t = 0, its position and…

A:

Q: A hot air balloon is moving vertically upwards at a constant rate of 9.0 m/s. As the balloon rises,…

A: initial upwards velocity (u) = 9 m/s time taken to hit the ground (t) = 5 sec

Q: A force F₁ of magnitude 6.10 units acts on an object at the origin in a direction = 54.0° above the…

A:

Q: A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface…

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

Q: Please answer the following question(s): 1. Two blocks are connected by a massless rope as shown…

A:

Q: With what tension must a rope with length 2.70 m and mass 0.170 kg be stretched for transverse waves…

A: Given data:  Length (L) = 2.70 m Mass (m) = 0.170 kg Frequency (f) = 40.0 Hz Wavelength (λ) = 0.870…

Q: In the absence of air drag objects fall with constant speed velocity…

A: Given Air is absent Then we have to choose the correct option from given options.

Q: A car accelerates at 7 m/s2 for 14 seconds. The direction of its acceleration is due east (east =…

A: Given value--- car accelerates at 7 m/s2 for 14 seconds. initial velocity  = 6 m/s. We have to…

Q: Always. Which of the following statements is/are ALWAYS TRUE? 1. Displacement vector is the…

A: To find out displacement, we need to subtract the position vector of the initial position from the…

Q: 4. Sand on Conveyer: Sand moves without slipping at 6 m/s down a conveyer belt that is tilted at 15…

A:

Q: 13. A 100 watt light bulb runs for 120 seconds. How much energy does it use?

A: Acording to given question  Bulb has power 100 watt I.e  it has required 100 joule energy per second…

Q: A 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is…

A: Given data: Mass of the ball, m =3.000 kg Kinetic energy of the ball, K.E =20.00 J Our question is…

Q: 1. Two blocks are connected by a massless rope as shown below. The mass of the block on the table is…

A:

Q: 8 - In the figure, the skater left the ice at a speed of 10m/s and at an angle of 150 above the…

A:

Q: 1. If two points are at the same potential, are there any electric field lines connecting them? 2.…

A: E=−∇φ The electric field vector function is the negative gradient of the electric potential. And…

Q: Two point charges Q₁ = +6.00 nC and Q₂ = -2.10 nC are separated by 45.0 cm. (a) What is the electric…

A:

Q: calculations, as you will use them again at the end of the lab. Diagram 20 - Calculation of the 2000…

A: According to question we need to find total resistance.

Q: With what speed must an object be projected vertically upwards for it to reach a maximum height of…

A: Given data:  Object projected vertically upward  Maximum height (hmax) = 12.0 m, above the starting…

Q: A ball is tossed vertically upward. When it reaches its highest point (before falling back downward)…

A: Given data:  A ball is tossed vertically upward Required: The velocity, acceleration and Force of…

Q: Imre steps onto the elevator in a skyscraper. He finds a scale that someone has left on the floor,…

A: Let the mass of imre = m At t = 0 , the elevator is at rest that is the elevator has not yet started…

Q: Calculate the force needed to do 500 J of work while pulling a cart a distance of 3.4 m.

A:

Q: You've been invited to try out a new hoversuit, and here's how it works: Someone has set up a large…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”