If it is 2 PM right now, what time was it 150 hours ago?

Q: 2. Compute the X and Y components of each of the four forces shown. T-722 P 200 35 Q-400 Ib

A: All x and y components of the forces is shown below.

Q: Exercises: TRANSLATION (RECTILINEAR MOTION) Solve the following problems: 1. An automobile travels 2...

A: Velocity is given as displacement /unit time . Velocity= displacement /time = S/T .    

Q: 3. The intensity of a sound wave is 100 W/m² at a distance of 3m. a) What is the intensity of the so...

A: Given value--- intensity = 100 W/m2 . at r = 3 m. We have to find--- a) What is the intensity of ...

Q: The equipotential lines in a region of electric field are shown in the diagram below. For each path ...

A: Given  Charge, q = 4.8*10-7 C  V0 = +50 V  The work done by electric field in moving charge q on pat...

Q: A particle charge of 1.8 µC is at the center of a Gaussian cube 65 cm on edge. What is the net elect...

A: The answer is below

Q: 6. Which term identifies a scalar quantity? (1) force (2) energy (3) displacement (4) velocity

A: Scalar quantity is a quantity that has only magnitude but no direction .  Vector quantity is a quant...

Q: Two vectors, of magnitudes 20 mm and 50 mm, are added together. Which one of the following is a poss...

A: The magnitude of one of the vector = 20 mm The magnitude of other vector = 50 mm 

Q: A Car brakes from 32 m/s to a stop over a distance of 68 m. a)What is the acceleration of the car? ...

A: Given data:  Initial velocity (Vi) = 32 m/s Final velocity (Vf) = 0 m/s Distance (d) = 68 m Required...

Q: answer neatly and whole solution  a car is travelling due east at a rate of 36.2 kph and a train is ...

A: Given  Speed of car = 36.2 kph = 36.2 × 1000/ 3600    =10.05 m /s   Speed of train =74.7 kph = 74.7 ...

Q: A car is traveling due East at a rate of 36.2 kph and a train is due North at a speed of 74.70 kph a...

A: Initial speed of car, vo = 36.2 kph Time taken to reach intersection, t = 10 s Distance of intersect...

Q: Find the resultant and direction of the following forces using component method; A 10 kg weight is o...

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Q: Object A is neutral and object B carries a net charge. They are placed near each other on an insulat...

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Q: A Ford Territory and a Montero Sport are traveling in the same direction at 60.0 kph on a straight h...

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Q: How much force is needed to accelerate a 66kg skier at 2m

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Q: In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg•K) at 53.0°C is mixed with 81....

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Q: Which car is traveling at å faster speed? Two cars are traveling down a road. The graph provided sho...

A: We know,      Speed = Distance time     

Q: A police car accelerates from rest to a velocity of 15 m/s in 6.2 seconds. What is the average accel...

A:

Q: The Ocean's level is rising about 1.5 millimeters (mm) per year. At this rate, in how many years wil...

A: Water rises 3 m or 3000 mm. As water level rises at a rate 1.5 mm/ year  then it takes 3000mm/1.5mm=...

Q: Consider the two vectors A 5i-6j+ 2k and B= 3i- 5k. What is the dot product A B ? O -25 O 25 O -45 O...

A: Given data:  A→ = 5i^ - 6j^ + 2k^B→ = 3i^ - 5k^ Required: The dot product of vector A and vector B 

Q: Position of a particle moving along the x-axis varies in time according to the following expression ...

A: Given data:  Position as function of time xt = -2.0 ms3t3 + 6.0 mst - 2m Required: The average veloc...

Q: Heather & Bryce can apply a force of 32-N to a wagon with some of their toys and play items that has...

A: Given data:  Force (F) = 32 N Mass (m) = 20 kg Initial velocity (Vi) = 0 m/s Time (t) = 4 s Required...

Q: An outdoor concert speaker  emits sound at 125 dB, as measured 1.00 meter away. How far away do you...

A: Given,                  β1 = 125 dBR1 = 1 mβ2 = 85 dBR2 = ?  

Q: What is the entropy change for 2.45 mol of an ideal monatomic gas undergoing a reversible increase i...

A: Given: The number of moles of the monoatomic gas is 2.45 moles. The initial temperature is 361 K. Th...

Q: A glass rod is rubbed with a piece of silk. During the process the glass rod acquires a positive cha...

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Q: Situation 01. A car is traveling due East at a rate of 36.2 kph and a train is due North at a speed ...

A: Given Speed of car = 36.2 kph = 36.2 × 1000/3600 = 10.05 m/s Speed of train= 74.7 kph = 74.7×1000/36...

Q: 57. Compare the work required to stop a 100-kg crate sliding at 1.0 m/s and an 8.0-g bullet travelin...

A: Data Given ,  Mass of crate ( mc ) = 100 kg Velocity of crate ( vc ) = 1 m/s Mass of bullet ( mb ) =...

Q: During a 100 m sprint, Usain Bolt reaches the halfway point (50 m) in 5.5 seconds and then crosses t...

A: Given data:  Total displacement (x) = 100 m Total time (t) = 9.7 s Required: The average velocity 

Q: Calculate the uniform acceleration of a car which slows down from a speed of 60m/s and comes to rest...

A: Let initial velocity u m/s  time taken t s uniform acceleration is a m/s²

Q: 34. Which graph best represents the relationship between the gravitational potential energy PE with ...

A: 34) Let the mass = m let the height = h let acceleration due to gravity = g   

Q: 2. An object is placed 50.cm in front of a converging lens and then 15.5cm in front of a diverging l...

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Q: In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P...

A: Given Resistance of the resistors are given as R1=5R and R2=15 R, where R=14 Ω Power dissipated in r...

Q: A spring of negligible mass with a spring constant of 2.0 x 102 newtons per meter is stretched 0.20 ...

A: Given data:   Spring constant (k) = 2.0×102 N/m Stretch in spring (x) = 0.20 m Required: Potential E...

Q: A ball is thrown horizontally with a velocity of 5 m/s from the top of a tall cliff. Neglecting air ...

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Q: 2. Two point charges attract each other with a force of 3.0 N. What will be the force if the distanc...

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Q: Newton's Law of Gravitation states that two bodies with masses M and N attract each other with a for...

A: Let the satellite be at a distance 'r' from the surface of the earth. Force on satellite = GMmr2 Wor...

Q: When a 10,000-m runner competing on a 400-m track crosses the finish line, what is the runner’s net ...

A: Length of track 400m Distance covered by runner = 10000m

Q: Find the emissivity of a man whose skin has area of 1.7 m2 subjected of intense solar radiation inci...

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Q: The balloon becomes positive because you are scraping protons off the jacket and onto the balloon. T...

A: Concept1) Charging an object:- An object gets either positively or negatively charged when rubbed wi...

Q: An ion that is doubly ionized passes through the velocity selector and into the deflection chamber o...

A: Electric field (E) = 6974 VmMagnetic field (B) = 0.0856 T distance (d) = 55.1 cm   

Q: Shown below there are three charges sitting at the corners of an equilateral triangle. The charges a...

A: Given that:- QA=+3.87mC, QB=-4.56mC, QC=+2.72mC

Q: 2. Jasper sucking hard on a thin tube can reduce the pressure in it to 90 % of atmospheric pressure....

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Q: Consider the vectors shown above. What is the cross product ? -180 m2 k 144 m2 k 103 m2 -103 m2 k 18...

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Q: The figure shows a reversible cycle through which 1.09 mol of a monatomic ideal gas is taken. Assume...

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Q: What is the magnitude of the magnetic moment of the bar magnet? Take the magnitude of Earth's magnet...

A: In this question we have to find the magnetic dipole moment of the bar magnet. Please give positive ...

Q: (a) When a battery is connected to the plates of a 5.00-uF capacitor, it stores a charge of 60.0 µC....

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Q: -- A block on a horizontal frictionless surface is connected to an ideal spring (spring constant k) ...

A: mass of block = m Spring constant of the spring = k Amplitude = A Let the velocity = v Let the accel...

Q: What is the combined mass of the vehicles? What is the nass of the pickup twek? kg Ko

A: Given data:  Mass of car (mcar) = 1100 kg Combined velocity (vcombined) = 9 m/s After collision comb...

Q: Three capacitors are connected to a battery as shown in the figure below. Their capacitances are C, ...

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Q: The drawing shows two situations in which charges are placed on the x and y axes. They are all locat...

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Q: rticles of charge – q are arranged symmetrically about the y axis; each produces an electric field a...

A: We know that according to the given two charges -q is arranged symmetrically about the y axis. which...