R E ourse Home

Q: Jake is towing his friend on a toboggan, using a rope which makes an angle of 230 with the ground…

A:

Q: What if the actual work done (more realistically) is W = 320 J during a single cycle; what is the…

A:

Q: A boll rounds a 36 m radius curve at 6 m/s. The magnitude of it's acceleration in m/s?

A: Given data :                      Radius    =     R                      Speed     =     V      To…

Q: Imagine that you are performing optical microscopy and can only use one color of light to examine…

A: In this problem, it is asking which color is used for examine and has best resolution.

Q: 1. In simple harmonic motion given by x xm cos(@t + 4), where is the acceleration the greatest? at…

A: The spring force is directly proportional to displacement when the displacement is maximum then…

Q: You find an old metal ball deep in the woods one day. You determine it has a radius of 2cm and a…

A:

Q: An electron that has a velocity with x component 2.0 x 10° m/s and y component 3.2 × 106 m/s moves…

A:

Q: A bucket of water of mass 30 kg is pulled at constant velocity up to a platform 50 meters above the…

A:

Q: A heat engine (Carnot cycle ) has its intake and exhaust temperature of 157oC and 100oC,…

A: Given data :- Intake temperature T1 = 157° C = 430 K Exhaust temperature T2 = 100° C = 373 K

Q: Betwoen each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically,…

A:

Q: Carbon 14 half life if 5700 years. A newly discovered fossilized organism is estimated to have…

A: Given that               The half life of C-14 is (t12 )= 5700year               The initial amount…

Q: Problem 3:   A certain heat engine has a power output of 9.5 kW and an efficiency of 21 %. The…

A:

Q: . A 5.0 kg is to be given an upward acceleration of 0.30 m/s2 by a rope pulling straight upward on…

A: Given  Mass m=5kg Acceleration a=0.3m/s2

Q: mags of the booly is 18K weight p

A: Given data :                 Acceleration due to gravity   =   g                       Mass of the…

Q: If pair production of muon-antimuon pair can occur for photons of wavelength =5.85 x 10-15 m or…

A: Given : Wavelength of photon, λ = 5.85 ×10-15 m

Q: How should you place a screw on a table such that it exerts the smallest pressure against it?.…

A: Pressure is define as the force per unit are for minimum pressure area should be maximum

Q: The sun has a radius of 6.959 x 10° m and a surface temperature of When the sun radiates at a rate…

A: Given r=6.959×108 mT=5.81×103 KQ=3.91×1026 Wσ=5.67×10-8 J/s *m2K4

Q: A 5.40 kg object is released from rest while fully submerged in a liquid. The liquid displaced by…

A:

Q: For the dm shown, what is the distance r from the axis of rotation (the y axis) to dm in terms of x,…

A: The distance r is from the rotating axis that is y axis. Thus the elementary part is at a distance x…

Q: How does magnetic field strength affect compass needle?

A: The magnetic force is always active around the magnetic field. So that the force produce due to…

Q: Plot graph between distance (y-axis) and time in seconds (x-axis) in the speed of sound

A:

Q: student of mass m = 56 kg runs at a velocity vi = 1.55 m/s before jumping on a skateboard that is…

A:

Q: What is the relationship of ohms and ampere?

A: If the physical condition of a conductor remains same then voltage applied across its ends is…

Q: Two asteroids strike head-on: before the collision, asteroid A, (mA = 7.5 x 1012 kg) has velocity…

A: Given Mass of the two asteroids are given as mA=7.5×1012 kg and mB=1.45×1013 kg Initial velocity of…

Q: Part D Three objects A, B, and C are moving as shown in the figure below (Figure 1). Assume that v =…

A:

Q: 6. Two concentric circular loops of wire lie on a table top with one inside the other as shown…

A: Introduction :- Here two coils one inside the other have been shown. The current in outer loop is…

Q: A 5 kg block slides across a flat frictionless surface at a speed of 2m/s. It collides with a 3 kg…

A:

Q: number of significant digits. The uniform electric field 240N/C [right] performs work of 3.0J by…

A:

Q: 1 kg mass tied to the end of a 3m pendulum is allowed to swing downwards from a horizontal position.…

A:

Q: A firefighter climbs a 10 m long ladder that is inclined at 40° to the horizontal.  If she has a…

A:

Q: A message was sent from Mars to Earth. Mars is approximately 54.6 million kilometers away from the…

A: Given: A radio wave is used. Distance from Mars to Earth, d=54.6 million km=54.6×106…

Q: Graph the vector –3 3i and state its argument (or direction vector) in degrees. • Make sure you're…

A:

Q: Two identical golf carts move at different speeds. The faster cart has twice the speed and therefore…

A:

Q: The circuit below includes a battery, four identical lightbulbs, and a switch (which is closed).…

A: Given,

Q: In a diesel cycle, the air is compressed to one-tenth of its original volume. If the initial…

A:

Q: 6 A vector has an x-component of +5 m and makes an angle of 30° with the + x axis.  What is its…

A:

Q: Two identical golf carts move at different speeds. The faster cart has twice the speed and therefore…

A: Kinetic energy is the energy possess by an object due to its motion. K = (1/2)mv2  K is proportional…

Q: If you're in Albany,NY (ALB) and you see lightning in the distance and 12 seconds later you hear…

A: The thunder is heard after a time of 12 seconds of seeing the lightning

Q: A 5 kg disk with a radius of 20 cm is spinning at 20 rpm. A clump of clay is dropped on the edge of…

A: Given Data:- Mass of the disk is md=5 kg Radius of the disk is r=20 cm=20 cm×1 m100 cm=0.20 m…

Q: See the figure below. A, is 1 m2 and A, is 2 m2. Force F, pushes the piston to move 1m (L,). How…

A: The fluid filled inside is assumed to be incompressible  Thus the volume of the fluid inside remains…

Q: A Carnot engine requires 40kJ/s from the hot source. The engine produces 20kW of power and the…

A: Please see the answer below.

Q: This given isotope Radon-222 is unstable and its presence in homes may constitute a health hazard.…

A: The decay of the Radon-222 isotope is provided below.

Q: 100 2 A 100 2 |100 Ω A HilT 30 v

A:

Q: A woman weighing 600 N steps on a bathroom scale that contains a stiff spring. In equilibrium, the…

A: the total work done on it during the compression is 3 joule

Q: A freezer has a coefficient of performance of 5.7. You place 0.45 kg of water at 21°C in the…

A:

Q: Problem 3) A 70.1 kg ice skater moving on ice at 4.62 m/s hits from behind another 70.9-kg skater,…

A:

Q: A particular bolt needs to be tightened with a torque of 20 N m to ensure it does not come loose.…

A: Given data:  Torque (τ) = 20 Nm Distance (r) = 30 cm = 0.30 m Required: The minimum force applied…

Q: In the figure the current in resistance 6 is ig = 1.42 A and the resistances are R1 = R2 = R3 = 1.91…

A:

Q: The lowest pressure attainable using the best available vacuum techniques is about…

A:

Q: Calculate the electric field strenght 0.25m away from a balloon that is holding +3.5 x 10-5 C of…

A: Given data:  Distance (r) = 0.25 m Charge (q) = +3.5×10-5 C Required: The electric field (E)