What is the direction of the net force acting on the 5kg object? Two forces, 10 N east and 5 N west, are acting on a 5 kg object that is lying on a smooth frictionless surface. O East O west O Northeast East-west

Q: The planet Mars has a radius of 3,390 km. The value of g (free fall acceleration) at the  surface of…

A: Given Data: The mass of the planet Mars is: R=3390 km=3390×103 m The gravitational acceleration on…

Q: Calculate the density of a metal cylinder whose mass is 75.0 g if its geometric volume is 25.00 cm3.…

A: Given: The mass of the metal is 75 g. The volume of the metal is 25 cm3.

Q: hich of the following states the law of conservation of mechanical energy? a. Mechanical energy in a…

A: Law of conservation of mechanical energy According to this law total mechanical energy of system is…

Q: 4) What is the final angular momentum of the rod and disk system? kg-m2/s Submit +) 5) What is the…

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Q: Consider the compound optical system shown in the diagram, where two thin lenses of focal lengths…

A: Solution: (a)  Magnification is the ratio of height of an image to height of an object.…

Q: Determine the magnitude of vector Q = 2i - 4j + 5k. a. 3√5 b. 6 c. √13 d. 5

A: Given data:  Vector Q = 2i - 4j + 5k Required: The magnitude of vector Q

Q: One end of a 51 cm -long copper rod with a diameter of 5.0 cm is kept at 470 ∘C∘C, and the other is…

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Q: How does the specific heat of water compare with that of various metals? Why ?

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Q: Force 1

A: FORCE F1 IS GIVEN AS F = m.g.cosineθ Here, θ is given 20 degrees. Mass of body 1 is 30g. According…

Q: What is the speed (in m/s acquired by a freely falling object 5 s after being dropped from a rest…

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Q: An iron anchor of density 7880.00 kg/m3 appears 198 N lighter in water than in air. (a) What is the…

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Q: weig horizontal. Rese ening it at rest D

A: GivenWeight of truck, W=17000 NAngle, θ=15°

Q: Convert the following readings of pressure to kPa assuming that barometer reads 760 mm of Hg. a. 80…

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Q: Copper has one conduction electron per atom. Its density is 8.89 g/cm' and its atomic mass is 63.54…

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Q: The half-life of 38 Sr is 28 years. What is the disintegration rate of 15 mg of this isotope?

A: The rate of disintegration of a radioactive substance is the number of atoms present at that time.…

Q: A car is travelling around a circular track of radius 100 m at a constant speed of 70 km/h. 1200 kg…

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Q: -2 65° 40° Leftcord Right cord Conter cord O 1.6N (cos 115°) O 1.6N (sin 115°) O 1.6N (sin 65°) O…

A: Given: The tension in the left card is 1.6 N. The free-body diagram is given below.

Q: Refer to the given circuit. C1 = 5 µF %3D C3 = 8 µF C2 = 4 µF C, = 6 µF C5 = 4 µF DURACELL VT = 12 V…

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Q: amusement park there is a ride in which cylindrically shaped chambers spin around a central axis.…

A: We know that We have given that an amusement park there is a ride in which cylindrically shaped…

Q: Car A (mass = 1000 kg) was subjected to a horizontal force of 10,000 N to allow it to move along…

A: Given Mass of car A = 1000 kg Mass of car B = 1200 kg Force applied on car A = 10000 N Force applied…

Q: Three moles of an ideal gas are in a rigid cubical box with sides of length of 0.200 m. (a) What is…

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Q: 18 What is the laboratory device that is used to determine the resultant vector? ) Vector gauge )…

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Q: Standing wave are formed on a string of length 3.0 m.  For a wave speed of 20.0 m/s, determine the…

A: Given: The length of the string is 3 m. The speed of the wave is 20 m/s.

Q: A rotating wheel requires 6.00 s to rotate 25.0 revolutions. Its angular velocity at the end of the…

A: No of revolution = 25 Angular velocity after 6s = 96rad/s Time =6s Total distance cover in 6s =…

Q: A horizontal plank 4.32m long and having mass 25.2 kg rests on two pivots, one at the left end and a…

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Q: nd experiences a force of 0.25 N due to earth’s magnetic field. What is the value of Earth’s…

A: We know that the magnetic force is  in terms of the current  I and length L is given as  F = ILBsinθ…

Q: Two window washers, Bob and Joe, are on a 3.00-m-long, 315-N scaffold supported by two cables…

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Q: path with velocity equation v(t)=0.06t^2 + 0.15t, starting from rest. it took him 3.25 seconds to…

A: We know that We have given that the equation of the velocity is given as  v(t) = 0.06t2+0.15 t  it…

Q: A cylinder with moment of inertia I, rotates with angular velocity w, about a frictionless vertical…

A: The angular moment of the system before, i.e when upper cylinder is at rest                      Jb…

Q: (a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis,…

A: We have to apply angular momentum concept here

Q: People who do very detailed work close up, such as jewellers, often can see objects clearly at much…

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Q: Question (35) A shark with a laser on its head is swimming underwater. The wavelength of the laser…

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Q: A 420-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal,…

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Q: A platinum ball weighing 100 g is removed from a furnace and dropped into 400 g of water at 0°C. If…

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Q: A crate of mass 78 kg is pushed along a floor with a force of 30 N for a distance of 9 m. Calculate…

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Q: Please explain why. A ball is thrown horizontally from a window on the second floor of a building.…

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Q: A solid insulating sphere of radius 0.06 cm carries a total charge of 30 nC. Concentric with this…

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Q: What is the angle between vectors A and B if A = 2i + 2j - k and B = 5i -3j + 2k? a. 84° b. 57° c.…

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Q: The 22-cm-diameter disk pictured can rotate on an axle through its center. What is the net torque…

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Q: Which of the following statements is true about kinetic energy for the given figure? point A point C…

A: According to the conservation of energy total energy (potential energy + kinetic energy) of the ball…

Q: A mass of 0.8 kg is attached to a horizontal spring whose stiffness is 10 N/m. Friction is…

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

Q: 30 N 4.0 cm 20 N

A: what is the net torque about the axle?

Q: A current of 2 A flows through a gold wire with a radius of 3 cm and a length of 15 m. There are…

A: Current (I) = 2 A radius (r) = 3 cm Length (L) = 15 m number of free electrons per unit volume =…

Q: Convert the following readings of pressure to kPa assuming that barometer reads 760 mm of Hg. a. 80…

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Q: The skateboarder starts down the left side of the ramp with an initial speed of 6.3 ft/s. If…

A: The height "h" of the highest point (in meters) reached by the skateboarder on the right side of the…

Q: A 39 g metal ball is heated with 2844 J of energy. The specific heat of the metal ball is 0.35…

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Q: 1. An 8.00 kg package in a mail-sorting room slides 2.00 m down a chute that 53.0° below the…

A: A 8kg package in a mail sorting room slides 2m down a chute that is inclined at 53 below horizontal

Q: You are trying to measure the position and velocity of an electron. For some reason, you are very…

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Q: Brewster plates are used in laser cavities to polarize the light with the smallest amount of power…

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Q: Two masses are attached to a uniform meter stick as shown in the figure 2. The masses of m1 and m2…

A: masses are attached to a uniform meter stick as shown in the figure 2. The masses of m1 and m2 are…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!