If John starts from home and walks East 6 miles, then South 8 miles and then walks directly 10 miles back home, what is John’s final displacement and distance walked?

Q: On planet #3, you fire a projectile horizontally from the edge of a vertical cliff 30.1 m above the…

A:

Q: What is the kinetic energy of a 0.135 kg baseball thrown at 40.0 m/s? 108 J 87 J 54 J 216 J

A:

Q: A Ford passes a Toyota on the road (both vehicles are traveling in the same direction). The Ford…

A: constant velocity of ford (v) = 35.9 msinitial velocity of toyota (v') = 16.8 msacceleration of…

Q: Two spherical objects are separated by a distance of 1.98 x 103 m. The objects are initially…

A: Write the expression for the electrostatic force and substitute the corresponding values to…

Q: 8. A B-field (2.0 T) is oriented along the +x axis. A proton has an instantaneous velocity of 4000…

A:

Q: A 7.44 µF isolated capacitor is constructed with Teflon, having a dielectric constant of 2.10,…

A: It is given that, initially the capacitor has a capacitance of C=7.44 μF, the capacitor having a…

Q: 7 IR- 2 W S 7 X 9. A 37.0 kg box is being pulled by a person across a horizontal floor with a force…

A:

Q: 3) Ten cars in a circle at a boom box competition produce a 135-dB sound intensity level at the…

A:

Q: Three pairs of vectors are shown below, add together A+B for the three pairs (pairs are aligned…

A: Given pairs of vectors:

Q: Can someone pls help me solve these im having a hard time solving this.   Elizabeth shoots a…

A:

Q: You are wanting the loudest concert experience and believe buying tickets 10 m from the speakers on…

A:

Q: R is not a readily measurable quantity for a given field. But we may have a sense of how large R is…

A: Given,  R is an unit of measurement where R signifies the amount of a quantity that cannot be…

Q: With a 1200 W toaster, how much does it cost to make a slice of toast (cooking time = 1 minute)?…

A: given          Power = P = 1200 w        cooking time = 1 min        electricity cost = 4.5 cents…

Q: A woodpecker's brain is specially protected from large decelerations by tendon-like attachments…

A:

Q: A 2.4-μC point charge is placed in an external uniform electric field of 1.9 x 104 N/C. At what…

A:

Q: The Bohr model for the hydrogen atom states that a single electron can exist only in the orbits…

A: as we know, potential energy is equal to, -k×e2r here, k=9×109e=1.6 x 10-19 J now,…

Q: A sheet of glass has ned = 1.52 and violet = 1.55. A narrow beam of white light is incident on the…

A: Solution:- Refractive index of the glass for red light isnred=1.52 Refractive index of the glass for…

Q: The y-intercept of the trendline represents the unknown resistive (frictional) force. What is the…

A:

Q: What is the magnitude of axbxa) if there is an angle = 53.0° between the directions of a and b?…

A:

Q: (COLLAB) A new design of Saturn 12 rocket with mass 1.5 x106 kg has a propulsion engine that can…

A: A rocket is a device that moves forward by expelling particles of a fuel-mixture backward. Let's…

Q: 2d Oc OD DE 1/2 d 1/2 d/2 2d 1/2 All of the resistors shown above are made of the same material.…

A: Given data:  Resistors are made of same material Diameter and lengths are different Required: The…

Q: A light beam in air hits a surface of swimming pool at an angle of 30 degrees (nair = 1.0003, "water…

A:

Q: The force between two charges is 200 N. If the distance between the two charges is doubled, the…

A: Given Data:- Force between the two charges is F=200 N   Required:- What be the force when distance…

Q: From approximately what floor of a building must a car be dropped from an at rest position so that…

A: Solution - Velocity defines the direction of the movement of the body or the object. Speed is…

Q: directed horizontally to the left. The blocks have a combined mass of 12.0 kg. What are the…

A: Under applying same force from any side will give same magnitude of acceleration. Let, m1, m2 are…

Q: a) A light-rail commuter train accelerates at a rate of 1.51 m/s². How long does it take to reach…

A: According to the guidelines, if more the one question is given and no specification is given then…

Q: sphere of radius 20 cm has 70µC uniformly distributed throughout the sphere. How much charge is…

A:

Q: Which object has the greatest amount of kinetic energy? a 10 kg comet traveling at 50 m/s a 30 kg…

A:

Q: Two very small spheres are initially neutral and separated by a distance of 0.428 m. Suppose that…

A:

Q: A tank is full of water when a valve at the bottom of the tank is opened. The equation V = 167(56 –…

A: Given data-  The equation gives the volume of the water in the tank is -  V=167(56-t)2

Q: It's nighttime, and you've dropped your goggles into a 3.1-m-deep swimming pool. If you hold a laser…

A:

Q: 3. A speeding car going 30 m/s passes a police car that is at rest. At the moment the speeder…

A: The speeder will be ahead by 300 m after 10 seconds. The police car will catch the speeder after 25…

Q: 2. A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move,…

A: The scale reading of the person is 1.38  times the normal reading

Q: Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.50…

A: Given : A teflon filled parallel plate capacitor Area of the plate A = 1.50 cm2 =1.50×10-4  m2 plate…

Q: A sinusoidal wave is sent along a string with a linear density of 1.53 g/m. As it travels, the…

A:

Q: Two identical small charged spheres are a certain distance apart, and each one initially experiences…

A:

Q: What happens to the force between two charged objects when you halve the distance between them? The…

A:

Q: From approximately what floor of a building must a car be dropped from an at rest position so that…

A: Given: Final speed of object when it hits the ground is v=80.7 ft/s Height of one floor is 12 ft…

Q: An electric field from a charge has a magnitude of 1.5 x 104 N/C at a certain location that points…

A:

Q: Consider the following diagram. P (atm) 4.0 3.0 2.0 1.0 R 1.0 S 2.0 3.0 4.0 5.0 V (L) (a) What is…

A: According to the first law of thermodynamics, ∆U+W=Q where ΔU is the change in the internal energy,…

Q: The intensity of the light emitted by our sun peaks at about 550 nm. The frequency of this light is…

A: Given data:  A light wave  Wavelength (λ) = 550 nm = 550×10-9 m Required: The frequency (f)

Q: A projectile is fired with an initial speed of 19.0 m/s at an angle of 65.0° above the horizontal.…

A:

Q: How will the temperature of different masses of water compare when the same amount of energy is…

A:

Q: Shown in a video, a small amount of water was placed into a can on a hot plate. After time, it was…

A: In this experiment, a can (metal) containing little water is heated and then it is quickly placed in…

Q: A planet travels in a circular orbit around a star. The radius of the circular orbit is 3.33×1011 m…

A: According to the given data R=3.33x1011 T=1.37 years We need to find  The magnitude of the…

Q: A force of 78.72 N is applied to toy car and causes it to accelerate at 2.89 m/s/s.  What is the…

A:

Q: kqQ The variable r in Coulomb's law (F= kain radial direction) represents... The separation distance…

A: Given that coulombs law is , F = kqQ / r^2

Q: Driving down the road at a speed of 39.1 m/s, you suddenly notice a fallen tree blocking the road a…

A: Calculate the distance covered by the vehicle before coming to the rest. d=93 m−5.9 md=87.1 m

Q: UAB PH201 student on Spring Break decides to test what she has learned about Newton's Laws on the…

A: mass = m = 57kg initial speed = V0 = 0 m/s time = t = 2.5 Seconds angle = 18.6 degrees force along…

Q: b с d Lack free electrons that can move to other atoms Electrons within their atoms are strongly…

A: Introduction    We define here conductor, semiconductor, and insulator as The conductor is a type of…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.