28. Which of the following corresponds to the equation B + T = S А. В. T. T. C. D. T

Q: Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an…

A: Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an…

Q: The concept of force might best be described as: A a push or a pull B energy in motion C a quantity…

A: To explain : The concept of force

Q: 3) The position of a particle moving along the x-axis is given in centimeters by x = 9.75 + 1.5t³,…

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Q: Answer the following questions.   What is the origin of Lenz’s law? Why Lenz’s law is called the…

A: The conservation of energy is a physical law that applies to all things. It simply means that energy…

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Q: 1. Which of the following is a fundamental unit? * O A. Newton B. Joule C. Watt D. Candela 2. Which…

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Q: 5. A soccer ball is kicked from the ground with an initial speed of 17.5 m/s at an upward angle of…

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Q: A simple pendulum, 2.0 m in length, is released by a push when the support string is at an angle of…

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Q: Each of the diagrams of atwood's machine below represents two weights connected by a massless string…

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Q: A 15.0 kg load of groceries is lifted up from the first floor to the fifth floor of an apartment…

A: Given: The mass of the load is 15 kg. The final position is on the fifth floor. The reference point…

Q: 2. Three 7.20 Q resistors are connected in series. Illustrate a schematic diagram for the case. What…

A: Given data:  Three resistors are connected in series combination R1 = R2 = R3 = 7.20 Ω Required: The…

Q: A 1.13-cm panel of a certain material can absorb 86.5% of incoming rays from a radioactive source.…

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Q: Which of the following statement is NOT true in a uniform circular motion   total mechanical energy…

A: The motion of an object in a circle at a constant speed is known as Uniform circular motion As it…

Q: s speed is equal to the magnitude of instantaneous velocity

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Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 15 times the…

A: Given The speed of sound in the rod Vr =15Va  Vr=15×347=5205  Speed of sound in air Va=347 We have…

Q: a) What is the magnetic force created by wires? b) Is the force attractive or repulsive? If a…

A: distance between the two wires (d) = 10 cm = 0.1 m I1 = 5 A I2 = 8 A

Q: The net force on an object is in the positive x-direction. Consider the following statements. (i)…

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Q: A net force F is required to give an object with mass m an acceleration a. If a net force 8F is…

A: Given data:  Original force = F, original mass = m And original acceleration = a New force (F') = 8F…

Q: A point charge of -6.0x10-9 C is 3.0 m from point A and 5.0 m from point B. a) Find the potential at…

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Q: A pingpong ball is atatched to a rope and is swung in a vertical circle. What is its velocity and…

A: Given data:  A ping-pong ball is attached to the rope Swung in vertical circle Required: The…

Q: A small block of mass M is released from rest at the top of the curved frictionless ramp shown in…

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Q: How much energy is required to move a 1400 kg object from the Earth's surface to an altitude twice…

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Q: A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a…

A: Given Period of rotation for pulsar = T = 0.0985 s Increase rate = 7.64 x 10-8 s/y To find out…

Q: An automobile traveling 85.0 km/h has tires of 65.0 cm diameter. (a) What is the angular speed of…

A: Given data as per question speed of automobile = 85km/h diameter of tires =  65cm

Q: 4. A billionaire (with mass m and weight w at the surface of the earth) went into outer space just…

A: Weight of a body with mass m is given as W= mg ,where g is the acceleration due to gravity.

Q: Given data : Force applied=2 N Displacemnt of object=3 m Find the work done

A: Given : Force applied, F= 2 N  Displacement of object, d = 3 m Find: Work done

Q: Кey projectile A projectile B projectile C

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Q: work done by Six moles of a monatomic ideal gas (

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Q: A convex mirror has a focal length of magnitude 8.85 cm. (a) If the image is virtual, what is the…

A: Given Focal length f = 8.85 cm

Q: 4. (a) A ball is thrown upward to a height of 0.580 m. Find its initial speed as it leaves the…

A: Given:_ Height reached by the ball is H=0.580 m Required:- Initial speed of the ball and the time…

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Given data:  Work done (W) = 520 J Displacement (d) = 42 m Required: Force (F)

Q: 9. An object moved 4.0 m along the positive x-axis in 2.0 s and then again moved 5.0 m along the…

A: Given data:  Displacement (x1) = +4.0 m, in t1 = 2.0 s Displacement (x2) = -5.0 m, in t2 = 3.0 s…

Q: A sinusoidal wave travels along a string. The time for a particular point to move from maximum…

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Q: A miniature spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a…

A: Given Mass of bullet = m = 5.00 g Mass of gun with puck = 140 g   Initial velocity of both gun and…

Q: The equation of a transverse wave on a string is = (4.0 mm) sin[(10 m1)x+ (630 s-1)t] The tension in…

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Q: The sound intensity levels for a machine shop and a quiet library are 100 dB and 37 dB,…

A: loudness of machine shop =100 dB loudness of quit library=37 dB

Q: In the Atwood machine, what is the direction of tension?   same with gravitational force   depends…

A: We need to answer what is the direction of Tension in Atwood machine.  Atwood machine : It is a…

Q: A heat engine with an efficiency of 35% takes in 1100 J of heat from the high-temperature reservoir…

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Q: a rod of alloy metal measures 3.521 m long at 290 degrees celius . At 373 degrees celcius the rod is…

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Q: you have a circuit like the one in the figure with E=78.1V, R1=383.2Ω, R2=589.3Ω, R3=595.9Ω and…

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Q: 29. The graph shows the acceleration of an object across time. Which of the following graphs below…

A: The acceleration versus time graph is given for an object is motion from the graph , the…

Q: block of mass M is released from rest at the top of the curved frictionless ramp shown in the…

A: In all collision momentum remains conserved Initial momentum = final momentum

Q: the seat on a rider is equal in magnitude to the rider's weight. From what height above the bottom…

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Q: Jinky Pacquiao's second hand on an LV watch has a length of 4.50 mm and makes one revolution in…

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Q: Given data : Force applied=2 N Displacemnt of object=3 m Find the work done

A: Given Force applied (F) = 2 N Displacement of object (S) = 3 m   Work done is given by - W = force ×…

Q: (a) What is the tangential acceleration of a bug on the rim of a 5.0 in. diameter disk if the disk…

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Q: Part A 480 g peregrine falcon reaches a speed of 63 m/s in a rertical dive called a stoop. (Figure…

A: Given: The mass of the falcon is 480 g. The initial speed is 0 m/s. The final speed of the falcon is…

Q: The diagram below shows a pendulum in motion. Which describes the potential and kinetic energy of…

A: Given data:  A pendulum in motion Required: The potential and kinetic energy of the pendulum at…

Q: 10. A car is moving at constant speed of 5.00 m/s. The driver sees the edge of the cliff 20.0 m…

A: Dewr student When accelerating of any particle is constant, we can apply the equation of motion as :…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.