Given data: Time = 3h Distance = 19.03 km Find the average speed ?

Q: Show the complete solution. 1.)A barrel contains a 0.120 m layer of oil floating on water that is…

A:

Q: The current in a circuit is 0.5 A. How much charge passes in 2 min. ? C = 6.24 x 10¹8 q = lt

A: Given data : Current=I Time=t   Required : Charge

Q: The charter day of Manila is usually celebrated with a fireworks display. In one of the displays, a…

A:

Q: A point moves on a curvilinear path with equation (S = t³ + 5t). the total acceleration is (8.39)…

A: Given, Equation of a curvilinear path, s = t3 + 5t total acceleration of the point, a = 8.39 ms2 at…

Q: Many single-celled organisms propel themselves through water with long tails, which they wiggle back…

A:

Q: Find the net force (magnitude and direction) on 9₂. y 2 nC 9₂ 93 5 nC 4 cm -3 nC 91 3 cm X

A: Given : q1=-3nC at origien  q2=+2nc at 4cm from q1 in y direction q3=5nc at 3cm from q3

Q: A source of light having two wavelengths 500 nm and 550 nm of equal intensity is incident on a slit…

A: We have a source of light having two wavelengths λ1=500 nm  and  λ2=550 nm which are incident on a…

Q: Determine the maximum kinetic energy of photo-electrons emitted from a Zinc metal surface, if the…

A: Given: Incident frequency ν=3×1015Hz, Work function for zinc metal ϕ=6.93×10-19J. Required: Maximum…

Q: the recelivs of curvature of a sphoricul find the focal lenght? mirror 18 28.5 cm.

A: Introduction : ,  In this question we are provided with value of  radius of curvature . with these…

Q: A crate of mass 32 kg is pushed along a floor with a force of 45.011 N for a distance of 67.06 m.…

A: Given data:  Force (F) = 45.011 N Distance (d) = 67.06 m Required: The work (W)

Q: Q4) During blood transfusion, suppose a container was placed 60 cm above the patient's arm with…

A:

Q: A Ping-Pong ball has a diameter of 3.80 cm and average density of 0.084 0 g/cm3. What force is…

A: Write the given values with the suitable variables. r=3.8 cm2=1.9×10-2 mρb=0.084…

Q: Three forces 20N, 30N, and 40N are in equilibrium. Find the largest angle in degrees they make with…

A: If the forces acting on a particle are said to be zero, the net force acting on the particle is…

Q: A 30-volt electromotive force is applied to an LR-series circuit in which the inductance is 0.1…

A:

Q: The refractive index of the Vitreous humor is Your answer

A: Refractive index of vitreous humour is 1.336

Q: B. At a certain distance from a point charge, the magnitude of the electric field is 500 V/m and the…

A: Given that Magnitude of electric field(E)=500v/m Electric potential(V)=-3.00kv=3000volt To…

Q: A crate of mass 32 kg is pushed along a floor with a force of 45.011 N for a distance of 67.06 m.…

A:

Q: If the momentum of a car is 190 kg x m/s and it's mass is 160 kg. Calculate its velocity?

A: Introduction :  In this question we are provided with value of mass and momentum . with these data…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A: Given that: m=66.5 kgh=1.02 mu=0t=0.274 seca=?

Q: a. Find all currents: 11, 12 and 13 using superposition and Mesh Analysis. b. Find V. a 8Ω I₁ -o+ V…

A:

Q: You wake up in a strange room, with opaque walls, and no visible doors or windows. though there is a…

A: This is simple question about acceleration due to acceleration.

Q: A dead body was found within a closed room of a house where the temperature was a constant 70° F. At…

A: Given:  At t = 0 , i.e. at time of death, Temperature of body = 98.6o F At t = t1 hours i.e. at time…

Q: A heavy box containing four laptops worth 700,000 pesos is being delivered to Dukue. From the…

A: mass of each laptop = 2 kgθ = 30oμk = 0.3number of laptops = 4

Q: The brakes of a truck cause it to slow down by applying a retarding force of 7760 N to the truck…

A: Given data:  Force (F) = 7760 N Distance (d) = 868 m Required: The work (W)

Q: The diagram below shows the path of a ray of light from a point source in medium 1 (refractive index…

A:

Q: A 16 b a m₂ = 2.00 kg. 37 Two blocks are connected by a string and are pulled vertically upward by a…

A:

Q: Determine the direction of the B, I, v, or F on each item. Determine the direction of the given…

A: 1st question solution

Q: 1. A simple pendulum is suspended from the ceiling by means of a string of length 2.18 m. Assume…

A: (1) L = 2.18 m θ = 38.3 OB = Lcosθ Here, Potential energy at A = Kinetic energy at C mgh = (1/2)mv2…

Q: electron-hole pairs in a PN-junction of a solar cell form a current when light is shined on the…

A: When light shines on the surface of a p-n object, the electron vibrates the electron into a…

Q: 4. You wake up in a strange room, with opaque walls, and no visible doors or windows. you drop a…

A: Given : Initial speed = 0 m/s Height of ball (S) = 1.12 m Time to hit the ground (t) = 0.191 s

Q: If the momentum of a car is 190 kg x m/s and it's mass is 160 kg. Calculate its velocity?

A:

Q: If a baseball is thrown at 150 m/s² and its mass is 0.50 kg what force is necessary to change its…

A:

Q: Given data: Force=12.88 N Displacement=0.08 m Find Work done

A: Introduction :  In this question we are provided with value of  force and displacement.with these…

Q: Calculate the density of a 1 kg block that has the dimensions: length = 10 cm, width=7.5 cm and…

A: Determine the volume of the block.

Q: A truck has a mass of 900 kg. If the velocity of the truck is 30 m/s, what is its momentum? 00…

A: Given data :                  Mass of the truck (m) = 900 kg                 Velocity of the truck…

Q: 4. Suppose a block of mass m slides over a surface with kinetic friction coef- towards a spring with…

A:

Q: If you saw a fish in a river, can you say that the position of the fish as you observed is its…

A: No since the water refracts the incident light and forming a magnified image near to you.  Option -…

Q: A car moving at 90 km/h brakes and stops in 5 seconds. What is the magnitude of the car's…

A: Apply the first kinematic equation. Here, v is the final velocity, u is the initial velocity, a is…

Q: A coil formed by winding 4 turns of thick copper tube has the following dimensions: diameter of…

A: Write the given values with the suitable variables. N=4D=50 mm=0.05 md=6 mm=0.006 mσ=5×107…

Q: A disk, initially rotating at 113 rad/s, is slowed down with a constant angular acceleration of…

A: The solution for this question is given below....

Q: Stefan-Boltzmann Law The Stefan-Boltzmann law estimates the total amount of emission, per unit…

A: Write the expression for the energy per unit area.

Q: While a roofer is working on a roof that slants at 41.0° above the horizontal, he accidentally…

A:

Q: Iron has a density of 6.75 g/cm³. The volume occupied by 44.45 g of iron is

A: Write the expression for the volume. Here, m is the mass and ρ is the density.

Q: 1.)A barrel contains a 0.120 m layer of oil floating on water that is 0.250 m deep. The density of…

A:

Q: If the Moon rises at 7 P.M. on a particular day, about what time will it rise 2 days later? P.M. ✓X…

A: this is question  about moons orbit how much it takes time for complete 1 orbit around earth.

Q: What will be the potential energy of 2.4 kg mass kept at height of 7.2 m. Take g 10 m/s²

A: Introduction :  In this question we are provided with value of mass , height and acceleration due to…

Q: The resistivity of an ohmic material depends on ______. 1 p A. Resistance B. Length of the conductor…

A:

Q: Find the Pressure Force-66 N Area=2 m2

A: Given data : Area=A Force=F   To find : Pressure

Q: How far will an object in a standard gravitational field drop in 13 seconds starting from rest and…

A:

Q: A vehicle is running with a velocity of 5m/s. If the momentum of the vehicle is 5000 kg m/s, what is…

A: Introduction :  In this question we are provided with value of momentum and velocity . With these…

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 –