1. The weight of the crate is 3.00x102N. If the force applied by the man is 20.0N, find: Acceleration of the system    ( Assume the system starts from rest and no friction opposing motion.)

Q: A pulley system made up of 3 pulleys, is used to lift a load of 10kg through a height of 50cm. If th...

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Q: A baseball is thrown with an initial velocity of 100m/s at an angle of 40 degrees above horizontal. ...

A: Given in question - Initial velocity (v)= 100 m/s                                                 An...

Q: 5. In the diagram below, C1 = 10.0 µF, C2 = 20.0 µF, C3 = 40.0 µF. Also, Vab = Va - Vb = 14.0 V and ...

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Q: Describe what you understand by Poynting vector

A: Answer:-  Poynting Vector :- A quantity describing the magnitude and direction of flow of energy in ...

Q: Thermal Pendulum Clock. One problem that early pendulum clocks faced was inconsistencies due to ther...

A: half period of pendulum 1=πlg half period of pendulum after increase of temperature =πleα∆Tg=πlgeα∆T...

Q: (3)A person in a car that is struck from behind can receive a serious neck injury called whiplash du...

A: (a) From Newton's first law   body is at rest, it will remain at rest unless it is acted upon by a f...

Q: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To bu...

A: Given  Cost of 1 kW- hr is 0.12 $ ,  To burn a 40.0 W for 24 hr, cost is ,C1 =??  Electric fan ,for ...

Q: Given data : Voltage=14 Volt Resistance =2 Ohms Find current

A: Given: Voltage (V) = 14 volt  Resistance (R) = 2 Ohms     

Q: 5. A ladder whose lenght is 12 m and whose mass is 45 kg rest against the wall. Its upper end is 9.3...

A: The length of third side and forces are shown

Q: 9) What is the total initial acceleration of a tether ball on a 2.0 m rope whose angular velocity ch...

A: Given data :-                                                 Initial angular velocity ω0 =13 rad/sF...

Q: ELABORATE & EVALUATE Activity 5: Nuclear Fission and Fusion Self-Assessment No. 5 1. From your under...

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Q: in the figure below, the blue wire has a current I = 77 A. The red loop is a square with sides that ...

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Q: What is the final temperature of a 3.4 kg iron at 45°C, if 5000 calories of heat was released, if th...

A: Given value--- mass = 3.4 kg. initial temperature = 45 degree C.  Q = 5000 cal. specific heat of ir...

Q: The Deep Space 1 spacecraft’s ion engine produced an average thrust of 37 mN and was fired for a tot...

A: Given Force = 37 mN =37 x 10-3 N Mass of spacecraft =450 kg Time = 16000 hours =16000 x 3600 = 576 x...

Q: man, 1.81 m tall is walking on a horizontal street at 3.7 kph away from a vertical street light, 3.7...

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Q: In B, what type of pressure must be applied to the left side for water to move to the right side of ...

A: Osmosis is the flow of water/solvent molecules through a semipermeable membrane from a region of low...

Q: 2. You are driving your car to province when mosquito splatters on the a windshield. Which has a gre...

A: From Newton's third law of motion we know that for every reaction there is an equal and opposite rea...

Q: 4. A unifom electric field has a magnitude of 6 N/C is directed downward. Solve for th magnitude and...

A: Part (2): Given:    The strength of the electric field is 6 N/C is directed downward. The charge of ...

Q: A gas is kept in cylinder that can be compressed by_pushing down on a piston. You add 2500 J of heat...

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Q: A charged particle is moving through a B-field and experiences a magnetic force (Fg>0). The magnetic...

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Q: You are at the top of a mountain, which slopes up at a 35 ̊ angle above the horizontal. If you throw...

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Q: Figure below is a graph that shows the velocity of an object along a straight line plotted against t...

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Q: An electron is accelerated by a constant electric field of magnitude 290 N/C. (a) Find the accelerat...

A: The answers are below

Q: 1. What is the magnitude and direction of 2. What is the magnitude and direction of AB? RT? В R 8.5 ...

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Q: Coulomb's Law & Electric Fields: 1. Consider a fixed point charge of +1.5 uC (q1). A 2nd charge of -...

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Q: v-t graph of a body which is thrown up and then coming back to the thrower

A: Given v-t graph is a equation of straight line having non-zero v-intercept and having negative slope...

Q: Given data : Voltage=14 Volt Resistance =2 Ohms Find current

A: Data provided:  Voltage (V) = 14 Volt Resistance (R) = 2 Ohms Required: Current (I) 

Q: A car accelerates from rest at 5 m/s/s for a period of 4 s. What is the velocity after 4 s?

A: The answer is below

Q: Two capacitors are connected in series between the terminals of a 20.0-V battery. If their capacitan...

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Q: A train travels at 7.7 m/s due east. Calculate the induced emf between the ends of a horizontal axle...

A: Given  Train travel at 7.7 m/s due east.  V = 7.7 m/s  Axle is ,7.9 m long,  L = 7.9 m  Earth magnet...

Q: 3. The force of Planet 2M on Planet M is F = 109 N, then the force of Planet M on 2M is ______ N. 1....

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Q: Two vectors are added in a coordinate system where the positive x-axis points to the right, and the ...

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Q: If A=21 +3j and B=4i +2j, the angle between the vectors A and B is

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Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting f...

A: The answer is below

Q: An aircraft, of wing span 87.8 m, flies horizontally at a speed of 900 km/h. If the angle of dip of ...

A: Wing span of an aeroplane is L = 87.8 m Angle of dip is  Horizontal component of magnetic field Bh= ...

Q: A boy was dropped, from a plane moving 120kph horizontally. If the height of the plane from the grou...

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Q: A student (having a mass of 49 kg) falls freely from rest and strikes the ground. He comes to rest i...

A: Given,      initial velocity(u)  =  0 m/s                     time(t) = 0.387 sec Using second equat...

Q: The mass of an idotope of an sulfur atom is A= 1+2Z. Please calculate the number of neutrons found i...

A: Given that:- A=Mass number of sulfur=1+2Z where, Z=Atomic number of sulfur=16

Q: Two point charges Q, = +5.10 nC and Q2 = -2.70 nC are separated by 25.0 cm. (a) What is the electric...

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Q: Part B How much force does the 2.0 kg block exert on the 1.0 kg block? Express your answer with the ...

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Q: If the electric field is 99.9 N/c and the area is 99/0 cm, determine the electric flux? Please prese...

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Q: A point on the rim of a wheel moves with a velocity of 95 feet per second. Find the angular velocity...

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Q: K, and a generator of voltage V. Mark as true or false the following statements concerning the stor ...

A: We have to mark true or false for the given statements concerning the realtive phase of V, VL, Vr, V...

Q: An automobile starter motor has an equivalent resistance of 0.075 Ω and is supplied by a 12.0 V batt...

A: Given: equivalent resistance (R)= 0.075 Ω Emf (E) = 12.0 V internal resistance( r ) = 0.015 Ω 

Q: 2. A parallel-plate capacitor is connected to a battery of voltage, V, until one plate of the capaci...

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Q: 4. The Pacer Test. As a warm-up, Gene is trying to do everyone's favorite Pacer test, which involves...

A: let the person accelerate for time T1. Then, v(T1)=at=0.3T1s(T1)=12aT12=0.32T12=0.15T12 and let the ...

Q: Viy = 50 m/s Vix = 88 m/s

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Q: 6. A rope assumed massless is stretched horizontally between two supports that are 3.44 m apart. Whe...

A: Given, distance betweent he support, x = 3.44 mweight of the object, W = 3150 Nrope is sag by, y = 3...

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is...

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Q: Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger a...

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: