What is the change in the kinetic energy of the block from point O to the highest point reached by the block? What is the expression for the work done by gravity and elastic forces on the block from point O to the highest point reached by the block? What is the expression for the work done by friction on the object as it goes from O to the highest point reached by the block?

Q: car starting from rest moves with a constant acceleration of 10km/ℎ?^2 for 1 hour, then decelerates…

A:

Q: Your friend says that a refrigerator is a Fluid Machine because it cools gas. Is he/she correct? Why…

A: Refrigerator is an excellent place to store food at a temperature low enough (39℉ to 41℉) to…

Q: A projectile is launched horizontally with a speed of 13.0 m/s from the top of a 77.0m cliff. How…

A: This question is based on Motion in a Plane topic. We need to use the formula for range for…

Q: Data R R2 R3 Simulated Data Simulated i Simulated V Computed Data Computed i iT Computed Power, P PT…

A:

Q: weight W on Earth lands on a planet with mass 0.1 times the mass of Earth and radius 0.5 times the…

A: Given  The astronaut's weight  on the earth is W  The mass of the astronaut on a planet is 0.1 times…

Q: attractive force exists between two particles A and B with charges 2.062x10-4 C and -3.4518x10-4 C…

A:

Q: If the parent nucleus in a ß* decay is CI, what is the daughter nucleus? 17 Help chemPad XX Greek:…

A:

Q: Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase…

A: No of change in pressure difference 1.3160.

Q: object? C) What is the horizontal range (maximum x above ground) of the object? d) What is the…

A: Given data -  The initially launched velocity of the object is given as v = 20 m/s  The angle of the…

Q: The light rod is pivoted at O and carries the 5- and 10-lb particles. If the rod is released from…

A:

Q: A car of mass 1.45x10³kg goes around an unbanked, circular curve of radius 26.4m at a speed of…

A:

Q: Luc, who is 1.80 m tall and weighs 950 N, is standing at the center of a playground merry-go-round…

A:

Q: Suppose a 45 kg person rides a ferris wheel with a diameter of 62 meters. The ferris wheel completes…

A:

Q: (a) A device consists of an object with a weight of 35.0 N hanging vertically from a spring with a…

A: The driving force F=705.33N The new amplitude of oscillation when b=5N.s/m a=1.74cm And the…

Q: along the x- axis according to the relation x=1

A: Equation of motion , x = 1-2t+3t2 Differentiate with respect to t  dx/dt = ( velocity ,v ) = -2+6t…

Q: A mechanic changing the spark plugs in a car notes that the instruction manual calls for a torque…

A:

Q: A car tire is 61.0 cm in diameter. The car is traveling at a speed of 24.0 m/s. What is the tire's…

A:

Q: Point charges q1 = q2 = 4.0 x 10-6 C are fixed on the x-axis at x = -3.0 m and x = 3.0 m. What…

A:

Q: 26. Which term identifies a scalar quantity? (1) force (3) displacement (4) velocity (2) energy 27.…

A:

Q: Part A When walking toward a concave mirror you notice that the image flips at a distance of 0.60 m…

A: In case of concave mirror when the object is placed beyond focus and its image is inverted. As…

Q: Consider a setup with a horizontal table, two masses, a string, and a massless, frictionless pulley.…

A:

Q: A glass sphere (n = 1.50) with a radius of 16.0 cm has a tiny air bubble 4.30 cm above its center.…

A: Given refractive index of the sphere = 1.5 Radius of the sphere = 16 cm Location of the bubble = 4.3…

Q: h one end of a spring with a force constant k = 753 N/m to a wall and the other end to a mass  m =…

A: Givenk=753 N/mm=1.42 kgxi=6.56 cm=0.0656 m

Q: If acceleration due to gravity is 12 m/s? , what will be the potential energy of a body of mass 2 kg…

A: Given data :                Acceleration due to gravity   =   g                          Height   =…

Q: An elevator has a mass of 200kg. An average person has of 40 kg. The elevator must accelerate upward…

A:

Q: turn

A:

Q: A pendulum's angular position is given by 0 = 0.0290 cos(wt), where 0 is in radians and = 7.18…

A: Time period T=0.875sec Length =0.1939m

Q: The deepest point in Earth’s oceans is about 11,000 m below the surface of the water. What is the…

A: GIVEN The density of the seawater to be 1027 kg/m3  The deepest point in Earth’s oceans is about…

Q: For a converging lens, the object lies 15 cm from the lens and the image is 34 cm from the lens on…

A:

Q: A current of 3.0 A flows through a conductor for 5 s. What amount of charge passes through the…

A: Given data :- current i = 3.0 A time t = 5 s

Q: A 5.0 kg, 64-cm-diameter cylinder in (Figure 1) rotates on an axle passing through one edge. The…

A:

Q: A block of mass 2.28 kg starts sliding from rest down an incline plane for 25 cm. If the block has a…

A:

Q: On an inclined surface with angle of 25o from the horizontal, a block slides down the incline with a…

A:

Q: on it is zero? B at the midpoint between A and B between A and B, closer to A A

A:

Q: Part A A reflecting telescope (Figure 1) has a radius of curvature of 3.00 m for its objective…

A: The image of distance V= 2.5588m.

Q: A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the…

A:

Q: A motorcyclist starts from rest and reaches a speed of 10-0 m/s after travelling with uniform…

A:

Q: A car accelerates from rest to 14 m/s in 5 seconds on a horizontal road under perfect conditions. If…

A:

Q: 1. Alpha, Beta, Gamma, and x-ray are all forms of ionising radiation. i) Complete the following…

A: According to the rule, i have answered first two questions.

Q: You're trying to pull a box has a mass of 18.67 kg up a frictionless incline that is 20 degrees…

A:

Q: A small statue has a height of 3.26 cm and is placed in front of a concave mirror. The image of the…

A:

Q: You wish to create an image that is 10 meters from an object. This image is to be inverted and half…

A:

Q: otential energy relates to energy of motion.     True     False

A:

Q: mass of 0.400 kg is attached to a spring and set into oscillation on a horizontal frictionless…

A:

Q: Part A A sharp image is located 391 mm behind a 263-mm-focal-length converging lens. Find the object…

A:

Q: is higher the coeffecient of friction better? explain

A: The ratio of the frictional force preventing motion of two surfaces in contact to the normal force…

Q: In the figure R = 1500, R2 = R3 = 49.00, R4 = 89.5 0, and the ideal battery has emf s = 6.00 V. (a)…

A: Solution:-

Q: A 1.90-kg object attached to a spring moves without friction (b= 0) and is driven by an external…

A:

Q: 3 The collar A shown slides along the rotating rod OB. The angular position of the rod is given by…

A:

Q: The bottom of a circular, aluminum pot has a radius of 8cm and a thickness of 1cm. The temperature…

A: the rate at which energy is transferred through the bottom of the pot is 41.212Kw.