Which (if either) has the greater average speed? a- a truck that travels from milepost 92 to milepost 100 in 10 minutes b- car that travels from milepost 113 to milepost 120 in 10 minutes.

Q: In a cathode ray tube, an electric potential of 530V is placed between a cathode and anode (two…

A:

Q: A hollow disk with a moment of inertia of 0.5 kg-m2 experiences a net torque of 30 m-N. What is the…

A: Given data:  Moment of inertia (I) = 0.5 kg.m2 Torque (τ) = 30 m.N Required: The angular…

Q: How does the average speed of air molecules relate to the air temperature? Draw your answer.

A: Consider the average speed of air molecules is v and the air temperature is T.

Q: A. DRAW THE FBD B. SOLVE FOR RAY B 12ft Fe

A: Ray =-62.5lb (just need to change direction on figure to the opposite direction) Rdy=862.5lb   See…

Q: Compute the temperature difference in Kelvin and in Rankine if the inside furnace temperature is…

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Q: Is it possible to arrange two resistors so that the equivalent resistance is smaller than the…

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Q: At 1500H in july, a boulder reaches a maximum temperature of 50degC the boulder has an emissivity of…

A: Here we use stuffins formula of radioactivity

Q: The coordinates of a bird flying in the xy plane are given by r(t) = at and y(t) = 3.0m - Bt², where…

A: F) Determine the x-component of the velocity. Determine the x-component of the acceleration.

Q: A charged puck (with charge -5.0 x 10^-4 C and mass 2.0 kg) is placed on a table in a region with a…

A:

Q: An electron in a hydrogen atom moves into the n = 3 orbit, causing a photon of light with wavelength…

A: Given:-  An electron in a hydrogen atom moves into the nf = 3 orbits, causing a photon of light with…

Q: If 1 mol of Argon atoms strike at a wall with an area of 10 cm² at an angle of 90 degrees. What is…

A:

Q: A car traveling at 30 m/s screeches to a halt, leaving 55-m-long skid marks. What was the car's…

A: Given data:  Initial velocity (u) = 30 m/s Final velocity (v) = 0 m/s Distance traveled (d) = 55 m…

Q: A child on a merry-go-round takes 3.0 s to go around once. What is his angular displacement during a…

A: Given:∆t1=3.0s,∆t2=1.0s ∆θ=2 πrad.Formula used:Write the expression for angular velocityω.ω=∆θ∆t…

Q: Find the electric potential at a distance h from the center of the mantle of a cylinder of radius R,…

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Q: A certain mountain road is inclined 3.1° with respect to the horizon. What is the change in altitude…

A: Visualize the Problem:

Q: A marksman fires a practice round from A toward a target B. If the target diameter is 200 mm and the…

A:

Q: What is the diameter of a 1.00-m length of tungsten wire resistance is 0.38 Ω?

A: Given : Length of the tungsten wire is 1.00 m Resistance of the wire is 0.38  Ω

Q: A distance R is measured to be 2.400±0.003m. What is the relative uncertainty in R? 1×10-³ You are…

A: Relative error is the ratio of absolute error to the value of the measurement.

Q: Use graphical methods to solve this problem. You may assume data taken from the graph is accurate to…

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Q: Two balls are held at the same height. At the same time, ball A is dropped straight down, while ball…

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Q: Calculate the frequency of an EM wave if the wavelength is 2m

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Q: What is the wavelength of a photon having a frequency of 1.65x10 15 Hz? (c = 3.00 × 108 m/s, h =…

A:

Q: In 1.86 minutes, a ski lift raises four skiers at constant speed to a height of 141 m. The average…

A: Given data:  A ski lift raises four skiers at constant speed  Time (t) = 1.86 min Height (h) = 141 m…

Q: An uninsulated container holds 3.5 mol of an ideal gas at an initial temperature of 300 K. The gas…

A: Determine the internal energy during the process.

Q: Questions a) True or False: If the forces on an object are balanced, then the object must be…

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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Q: A stone was dropped freely from a balloon at a height of 190 m above the ground level. The balloon…

A: initial height (h) = 190 m initial velocity = u final speed (|v|) = 68 m/s

Q: A car is initially at rest on a straight road. The graph shows the acceleration of the car along…

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Q: n traveling a distance of 3.0 km between points A and D, a car is driven at 87 km/h from A to B for…

A: total distance = s = 3 km from A to B SPEED = Vb=  87 km/h

Q: The position of a particle in millimeters is given by s = 60 - 16t+t² where t is in seconds. Plot…

A:

Q: Find the electric potential at a distance h from the center of a ring of radius R, with a charge…

A: Given that:- Radius of ring=R

Q: For the following three problems (Q.05-07) consider the following data collection: You are measuring…

A: Given Data: Expression of temperature for 5 readings of temperature. T=77±1.8 °C Average Temperature…

Q: A rectangular plate 1.25 mx 2.4 m is immersed in a liquid of relative density 0.85 with its 1.25 m…

A: Draw the schematic diagram of the system.

Q: Calculate the work done by friction on the roller coaster cart during its motion up the ramp.

A:

Q: the coordinates of an object moving in the xy plane vary with time according to the following…

A: x = -3sin(wt) Vx = dx/dt = -3wcos(wt) ax = dVx/dt = 3w2sin(wt) y = 4 - 3cos(wt) Vy = dy/dt =…

Q: - A 0.3kg meterstick is suspended motionless y a shark's tooth which is 0.2 meters to the ght of the…

A: Given:- The mass of the meterstick is m = 0.3  kg  The center of mass of the meterstick is 0.2 m…

Q: its peak. From launch to peak 1.7 elapsed. from peak to impact it fell 29M. Determine the speed of…

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Q: The two dimensional traction vector on a plane defined by normal. = 7+3 is given by T=57+63. The…

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Q: 1. Two concentric spherical surfaces enclose a point charge q. The radius of the outer sphere is…

A: Concept used:-  Electric field due to point charge = K(Q) /R^2 , at a distance R from the center.…

Q: Exercise: One parsec is a unit of distance equal to roughly 3.25 light-years. The prefix Mega means…

A: For this problem, it is required to convert the distance 24 Mpc into kilometers. It is given that, 1…

Q: After solving a difficult physics problem, an excited student throws his book straight up. It leaves…

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Q: A projectile is launched from point A with speed vo= 39 m/s. Determine the value of the launch angle…

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Q: A small electric immersion heater is used to heat 83 g of water for a cup of instant coffee. The…

A: Given: The mass of the water is 83 g. The power of the heater is 69 W. The initial temperature is…

Q: A car is traveling at speed vo on a straight road. A traffic light at distance d turns yellow. It…

A: Given value--- initial speed = 53km/h. d = 44m. We have to find--- acceleration? time ?

Q: A 75 kg skydiver parachutes from a stationary helicopter at a height of 1,000 m above the ground.…

A: Given : Mass of the skydiver = 75 kg Height from the helicopter to the ground = 1000 m Terminal…

Q: Discuss why electric field lines cannot intersect each other.

A: Tangent drawn at electric field line gives direction of electric field at that point . If  two…

Q: temperature of 1.0 mol of an ideal gas decreases from 302 K to 288 K when 1400 J of heat are removed…

A: according to first law of thermodynamics Q = ΔU + W  Internal energy of one mole ideal gas…

Q: A particle is initially located at cm and has a velocity mm/s. Magnets are used to accelerate this…

A:

Q: What is the angular speed of the tip of the minute hand on a clock, in rad/s?

A: Here we are using the formula:angular speed:ω=∆θ∆t................... (1)∆θ is angular distance ∆t…

Q: An ambulance with a siren emitting a whine at 1700 Hz overtakes and passes a cyclist pedaling a bike…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –