10. An automobile is sitting on a hill which is 20 m higher than ground level. Find the mass of the automobile if it contains 362,600 J of potential energy.

Q: Suppose that an object is placed to the left of a converging lens, creating an image on a screen at…

A: This question is from ray optics.

Q: A car crashes into a tree. What is the work done by the tree stopping the car? The car has a mass of…

A:

Q: An object with a mass of 0.5 kg. starts from rest and achieves a velocity of 20 m/s westward in 0.25…

A:

Q: Determine the orbital speed, in m/s, of a satellite that circles the Earth with a period of 1.70 x…

A:

Q: At what time t1 does the block come back to its original equilibrium position (x=0) for the first…

A:

Q: the I How far above the ground will the balls be at the Same level -) Det. the time the 2nd ball…

A: Given Initial velocity of first ball u1 = 15 m/s IInitial velocity of second ball u2 = 30 m/s

Q: A particle moves along a horizontal coordinate line in such a way that its position time t is…

A:

Q: Gravitational pull must be measured in units of Height must be measured in units of Calculate the…

A:

Q: 8. You drag a sled 72 m through level snow while pulling upward at 65° above the horrizontal with a…

A: Givenx=78 mθ=65°F=108.5 Nformula of work done , W=∫F→·dx→  if force is constant , W=F→·x→

Q: 4. The scatter plot shows the number of passengers at a major airport over a 15-year period from the…

A: At t=0 , P=55 million At t=11 , P=65 million  passangers in 11 years = area under graph  =…

Q: Applying a force to an object over some amount of parallel distance... (select all that apply)…

A: When we apply some force on any object then object will displayed from its initial position to some…

Q: 7. a. You push a couch across the floor, pushing with a force of 282.5 N horizontally. It slides…

A:

Q: A child tries to move his toy box by pulling on a rope at an angle θ of 42° with respect to the…

A:

Q: The figure below shows a 100 kg block being released from rest from a height of 1.6 m. It then takes…

A:

Q: Venus has a 0.82 Earth mass, and a radius of 0.95 Earth radius. 7. Use this data to calculate the…

A:

Q: pter 21 A 50 turn coil with a radius of 5.0 cm lies in the plane of the page. The magnetic field…

A: a) final magnetic flux =Bfinal×NA=Bfinal×N×πR2=1.5×50×π×51002=0.589 Weber

Q: Two particles, each of mass 3.39 × 10-4 kg and speed 4.32 m/s, travel in opposite directions along…

A: Given: particle 1, m1= 3.39×10-4 kg speed, v1=4.32 m/s particle 2, m2=3.39×10-4 kg speed, v2=4.32…

Q: Determine the speed of block A in Figure if block B has an upward speed of 8 ft/s. A 8 5000 D Datum…

A: Solution: Given: vB = speed of block B (upward) = 8 ft/s nA = number of strings supporting block A =…

Q: A disk is initially motionless. It then begins to spin with a unknown constant angular acceleration…

A: We are given that after t=8 seconds, T=0.855 sec⇒2πω=0.855⇒ω=2π0.855 rad/s Hence the angular…

Q: The two pendulums shown in (Figure 1) each consist of a uniform solid ball of mass M supported by a…

A:

Q: A pump is lifting water through 5.486m to fill a 566.254 m3 tank. The overall energy efficiency is…

A:

Q: A motorcycle, starting from rest, accelerates at 2.82m/s2m/s2 on a circular track with a 205mm…

A: Tangential acceleration (at ) =2.82 m/s2 Diameter of circle(d) =205 mm=0.205 m Radius of circle(r)…

Q: photon has an energy of 1.9 meV (milli electron Volt). What is the wavelength of this photon,…

A: Given: The energy of the photon is 1.9 meV.

Q: 3 a. Since we use friction to accelerate our cars around turms, we can't take turns as fast in wet…

A:

Q: A motorcyclist being monitored by radar accelerates at a constant rate from 0 mph (v(0) = 0) to 55…

A:

Q: 1. List down three factors that would affect the human reaction time in general. 2. Explain how…

A: There are numerous factors that can influence human reaction time. The following are three of them:…

Q: The Trans-Alaska Pipeline was assembled in sections 12.2 m long and 1.22 m in diameter. If the depth…

A: It is given that the length of the pipe is 12.2 m and its diameter is 1.22 m. The depth of the fluid…

Q: A particle with mass 7.0 g and a charge of 75 μC moves through a uniform magnetic field in a region…

A: Given data:- The given value of mass is, 7.0 g The given value of a charge is, 75μC The given…

Q: Ultrasound. High-frequency sound waves (ultrasound) are used to probe the interior of the body, much…

A:

Q: Two blocks identified with the initials A and B are joined by a rope passing over a pulley as shown…

A: For equilibrium net force acting on the system must be zero and horizontal as well as vertical…

Q: An artery in the left thigh has a diameter of 7 mm and carries blood at a rate of 10 ml per second.…

A:

Q: Two guitarists attempt to play the same note of wavelength 6.50 cmcm at the same time, but one of…

A:

Q: An unknown material was ground to a fine powder and subjected to x-ay diffraction measurement using…

A: The Bragg's law is given by: 2d sinθ=nλ, where d is the spacing between two parallel planes, θ is…

Q: A baseball has a mass of 0.20kg what is the kinetic energy relative to home plate of 160km/hr…

A: Given data:  Mass (m) = 0.20 kg Velocity (v) = 160 km/hr Required: The kinetic energy in kJ

Q: A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 m from the…

A: The initial velocity of the marble in horizontal direction is vAx=vA cos 45o      = 20×cos 45o…

Q: PA and B. The ice and boiling points of water are also indicated. (a) Using the data in the drawing,…

A: Freezing point in A = - 30 Boiling point in A = 60 Freezing point in B = 20 Boiling point in B = 130

Q: On the ground level, the weight of a satellite is W N. The satellite is launched and stays in an…

A: On surface of the earth gravity is g = GMR2 , where R is radius of earth , G is gravitational…

Q: Why does Hooke's law have a negative sign? the spring force is a friction force the spring force…

A: Given : Why does Hooke's law have a negative sign? the spring force is a friction force the spring…

Q: Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates with…

A: a) Initial angular speed is given by ωi=angle rotatedtime taken=20×2π5=8π rad/sec angular…

Q: A lighter car and a heavier van, each initially at rest, are pushed with the same constant force F.…

A: let m1 denotes the mass of lighter car and m2 denotes the mass of heavier vansince both of them are…

Q: (a) Write down Hooke's Law for the force of a spring on a mass as a function of (x - xo), where xo…

A: As per guidelines , only 3 subparts are solved here. (a) Hook's law states that applied force equals…

Q: ximize fuel effici

A: Given, The fuel efficiency E (in kilometres per litre) of a certain car driven at a speed v (in…

Q: 19. An object is in a region such that its system's potential energy as a function of position is as…

A:

Q: A 0.7 kg rubber ball has a horizontal velocity of 1.107 m/s at point A and goes through a projectile…

A:

Q: ? Decrease by 40% Lesson Synthesis 14.4 Describe a strategy for determining the input when you know…

A: Someone is aware of the output and percent change. It is required to provide a method for…

Q: An astronaut is flying at a distance of 317kms from the center of a blackhole of mass 2E32 kg.…

A:

Q: Calculate the moment of inertia of a rectangular plate that is 24.0 cm long and 12.0 cm wide, with a…

A: Given: Length of rectangular plate l=24 cm=0.24 m, Width of rectangular plate w=12 cm=0.12 m, Mass…

Q: torque of 50 Nm producing a counterclockwise rotation is ap bout its axle. A frictional torque of 10…

A: GivenTorque applied to axle , τapplied=50 NmFrictional torque, τFrictional=10 Nmα=2 rad/s2

Q: At one instant, force F 1.49ĵ N acts on a 0.982 kg object that has position vector 7 = (5.89î –…

A:

Q: given that the suns lifetime is about 10 billion years, estimate the life expectancy of (A) a…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.