Calculate the acceleration of a body of 5632 gr. when a force of 67 N is applied to it.

Q: The density of mobile electrons in copper metal is 8.4 x 1028 m, Suppose that / 9.0 x 101 electrons/...

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Q: How much heat is required for 309 cm3 of water to raise its temperature a total of 2°C? The specific...

A: Write the given data. V=309×10-4 m2∆t=2 °Cc=1 cal/gρ=1000×103 g/m3

Q: The energy represent the product of one -half the mass of the body and the .square of its velocity i...

A: (1) False , The product of half the mass of body and square of it's velocity is known as kinetic ene...

Q: .The intensity of sound waves is proportional to the square of the frequency True False

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Q: An ac voltage of peak value 20v is connected in series with a silicon diode and load resistance of 5...

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Q: Consider two negative charges, -/a/ and -/30/, held fixed at the base of an equilateral triangel of ...

A: We know that the formula of the electric potential energy is given as U =kq1q2r where k is the coulo...

Q: A spring 0.2 m long extends 0.001 m when a mass of 72 kg is hung from it.  How far will a similar sp...

A: GivenFor spring 1length of spring ,L1=0.2 mMass hung with spring ,m1=72 kgSpring extend to length ,x...

Q: A boat moves at a distance (in km) of  S(t) = t2 - 400t  where t  in minutes is the time passed sinc...

A: Given value--- S(t) = t2 - 400t . boat moving 6:00 AM to 9:00 AM. We have to find--- What is the ...

Q: The closest approach distance between Mars and Earth is 56 million km. Assume you can travel in a sp...

A: Given The closest approach distance between Mars and Earth is 56 million km. abs the velocity v= 580...

Q: Q12: An arc lamp requires a direct current of 10A at 80V to function. If it is connected to a 220V (...

A: Given value--- Voltage of bulb = 80 V. current = 10 Amp. Vrms = 220 V . frequency = 50 Hz. We have...

Q: 3. Arock is dropped from a rest position at the top of a cliff and free falls to the valley below. A...

A: We have an object of mass say m which is dropped from the top of a clip so it undergoes free fall mo...

Q: A 4G phone has a data receiver with an inductance of 0.3 μH.  When the capacitance is tuned to 2e-13...

A: Write the given data. L=0.3×10-6 HC=2×10-13 F

Q: Why is it that when the normal of the plane and electric field is perpendicular with each other, the...

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Q: Two point charges q1 = +26μC and q2 = −17.5μC are 64 cm apart. a. What is the potential energy of th...

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Q: In the figure, one end of a uniform beam of weight 100 N is hinged to a wall; the other end is suppo...

A: Given data as per question Weight of the beam = 100 N angle = 290 Calculations As the beam is in equ...

Q: Directions: Read and carefully analyze the given problems. Be sure to identify all the given and unk...

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Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +4.36 µC at x = 0 and q2 = -8.35 ...

A: Given q1 = +4.36 µC at x = 0 and q2 = -8.35 µC at x = 39.38 cm

Q: A spaceship is launched vertically upward. The total work done on the spaceship is: A: positive B:...

A: Assume a spaceship is launched in the vertically upward direction.

Q: In the cgs system, one dyne – centimeter is called one erg. True O False

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Q: Q, = +8 mC Q2 = +3 mC In the diagram above, an arrangement of two positive point charges (which are ...

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Q: Light with a wavelength of 2.50 x 10-7 m falls on the surface of a 1.00 kg piece of molybdenum in an...

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Q: In the figure here, a ball is thrown up onto a roof, landing 4.20 s later at height h- 19.0m above t...

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Q: If not act any forces on a body, this means the body at rest. O False O True

A: Given  The statement is  if not act any forces on a body, this means the body at rest.

Q: Kayla is measuring how long it takes a ball to roll down a hill. The ball has a starting velocity of...

A: Given  Starting velocity, U = 2.6 m/s  Final Velocity ,V = 8.0 m/s  Time taken, T = 5.5 sec  Ball ro...

Q: Problem 4: A satellite is traveling around a planet in a circular orbit with radius R. It moves in a...

A: (a) Write the expression of kinetic energy of the satellite in terms of m and v.  

Q: An object moves from position (3,4) to (6,5) in the xy plane. Find the magnitude and direction of di...

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Q: A soccer ball is kicked from the ground with an initial speed of 19.9 m/s at an upward angle of 44.3...

A: Apply the second kinematic equation along the vertical direction and substitute the required values.

Q: force of 2 pounds stretches a spring 1 foot. A mass weighing 3.2 pounds is attached to the spring, a...

A: We know that the spring force is given as  F = kx  where  k is the spring constant  x is the displac...

Q: A child in a barbershop spun on a stool. If the child turns clockwise through 8.0π rad during an 8.0...

A: Given value--- angle = (8 pi) rad. time = 8 second . We have to find--- average angular velocity?

Q: Object's mass is 15 kg is resting on a table. An external force ( 10 N) act with angle ( 30) on this...

A: Given value--- Force = 10 N. mass = 15 kg. angle = 30 degree . We have to find--- Find the minimu...

Q: In which direction does the normal force always act? Perpendicular to the ground Parallel to the sur...

A: The normal force is a force that a surface exerts on any object. It always acts perpendicular to the...

Q: A figure skater begins spinning counterclockwise at an angular speed of 5.0π rad/s. She slowly pulls...

A: Given value--- initial angular velocity = 5 π rad/s. final angular velocity = 9.0π rad /s. time = 3...

Q: The moment vector is perpendicular containing the force

A: Moment vector is perpendicular containing the force 

Q: How much work would you do if you climbed 8 meter up a tree, if your weight is 57 kilograms?

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Q: Q10: Using a nuclear counter the count rate of emitted particles from a radioactive source is measur...

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Q: A block of wood with mass 1kg is clamped to a vertical board with a force of 10N. What is the minim...

A: Draw the free-body diagram of the block.

Q: Part A Proton-beam therapy can be preferable to X rays for cancer treatment (although much more expe...

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Q: One long wire lies along an x axis and carries a current of 54 A in the positivex direction. A secon...

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Q: Current Attempt in Progress The angular position of a point on a rotating wheel is given by e-7.51+ ...

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Q: Three part ( A, B, C) connected in a parallel. Part (A) contents (2 Q, 6 Q) in series. Part (B) cont...

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Q: The intensity of sound waves is proportional to the square of the .frequency True False Conservation...

A: To justify whether given statements are true or false.  

Q: A 4.0 kg mass, ml, hangs from a rope that runs over a massless frictionless pulley and is connected ...

A: a) Draw the free-body diagram of mass m1.

Q: 1. A point charge ql = -6.0 µC is at the point x = - 0.400 m, y = - 0.300 m and a second point charg...

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Q: Why is sunset red? Group of answer choices Psychology. The Sun itself turns redder at sunset. Blue ...

A: Answer-: blue light is scattered away.

Q: A horseshoe player releases the horseshoe at A with an initial speed vo = 39 ft/sec. Determine the r...

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Q: At a particular instant a proton is at the origin, moving with velocity m/s. At this instant: (a) W...

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Q: 1. Compute for the illuminance in your room. 2. Search for the ideal illuminance in the areas of th...

A: The formula of illuminance E is given by  E = P/(4πd2) where P is the luminous flux d is the distanc...

Q: At a particular instant a proton is at the origin, moving with velocity m/s. At this instant: (a) W...

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Q: A constant force of (400 newtons) parallel to the sloping surface of a (40°) inclined plane pushes a...

A: Given data-                       constant force parallel to the inclines plane = 400 N             ...

Q: Zeroth law of thermodynamics means all systems which in touch together are are in thermal equilibriu...

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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!