Find the length of the shortest ramp that can be used to push a 595 N resistance onto a platform 3.50 m high by applying a force of 7.50 N

Q: What is the speed of a wave on a rope (length 6 meters, mass 70 kg) with a tension force of 600 N ap...

A: Given(s): Tension on the rope, T=600 N The total mass of the rope, M=70 kg Length of the rope, L=6 ...

Q: A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium ...

A:

Q: 4. Which two particles would be attracted to each other? A. protons and neutrons B. electrons and pr...

A:

Q: An optical fibre is poked through a small aperture to make some observations. It is made of a core o...

A:

Q: A soccer player kicks a ball, while imparting spin to bend it. The ball starts on the ground and is ...

A:

Q: Second Condition of Equilibrium can be written i

A: The second condition necessary to achieve equilibrium is  Net Torque = 0   ie, sum of all the torque...

Q: 5.The chain seen dangling from the rear of a gasoline truck is to let excess charges on the truck to...

A: We have to answer why there is a  chain seen dangling from the rear of a gasoline truck.

Q: If the ball in the experiment is given an initial downward velocity instead of just being released, ...

A:

Q: An electron is accelerated in an electric field of 1.90 106 V/m. (a) What is the work done on the e...

A: Given, electric field, E = 1.90×106  Vm distance traveled by electron, d = 0.590 m

Q: 3. The vertical force P of magnitude 100 kN is applied to the frame shown in the figure. Resolve P i...

A: Given, vertical force, P = 100 kN

Q: A 4.3-MeV (kinetic energy) proton enters a 0.21-T field, in a plane perpendicular to the field. Wha...

A:

Q: Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical, as show...

A: Draw the schematic diagram of the system.

Q: utline the process of star formation, including all relevant factors that influence the outcom

A: When an interstellar cloud is disturbed in some way, it begins to  collapse gravitationally. It heat...

Q: A 4.5 C charge requires an 8.0 J to move it from point X to Y, where the potential difference is 1.5...

A: The electric potential energy is given by UE = q×V, where q = the charge of the particle V = electri...

Q: A 78 – kg person has an apparent mass of 54 kg (because of buoyancy) when standing in water that com...

A: Given, Actual mass of a person, m = 78 kg apparent mass of a person, m = 54 kg density of the body, ...

Q: Starting in Albany, you travel a distance 108 miles in a direction 12.0 degrees north of west. Then,...

A:

Q: The velocity of a particle is given by ms

A: Instantaneous acceleration a(t) is a continuous function of time and gives the acceleration at any s...

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as ...

A: Given in question : Forces by teams are -                                                           ...

Q: e centre of the earth, if it weighed 100 N on the surfa Ess density, how much would a body weigh hal...

A: Here, we calculate the given as follow;

Q: A pendulum bob of mass m and then released. A -3 p a mass 10° kg. To w

A: We know that the law of  conservation of the energy is given as  When the bob will be at the bottom,...

Q: ate the torque supplied by the wrench when an 8 n in the figure: BN

A:

Q: 1. Any motion of a body where gravity is the only force acting upon it. A. One dimensional motion B....

A:

Q: If capacitors are also used to store energy, what makes it different to batteries? When do we often ...

A:

Q: According to Lenz's Law, the direction of an induced current in a conductor will be such that it ten...

A:

Q: What is the current in a circuit with a 120 V voltage supply and 500 Ohms of resistance ?

A: According to ohm's law Current in circuit, I = V/R    I = 120/500 I = 0.24 A

Q: 3 x 10, then find out the percentage change in its volume. is applied on it due to which it suffers ...

A: Poisson's ratio is defined as the ratio between transverse strain and longitudinal strain.

Q: A massless spring of constant 40N/m is attached vertically to a table. A 5-g balloon is filled with ...

A:

Q: An atom is 1. in shape. It has three subatomic particles namely, the electrons, protons, and neutron...

A:

Q: Violet light has a wavelength of 425 nm. What is the frequency of this light? speed of light = 3 x ...

A: wavelength of violet light is 425 nm. 1 nm = 1 x 10-9 m  speed of light = 3 x 108 m/s  

Q: Which car has northward acceleration?  A) a car traveling north at a constant speed. B) a car tra...

A: The car have northward acceleration in the following cases: A car is traveling north and speeding up...

Q: 1) Two athletes pull on a rope in a tug-of-war. Each pulls with a 430 N force. What is the resultant...

A: Given When to athletes pull a rope in tug of war with a force of 450 N and what is the resultant for...

Q: Two identical point charges q=+5.00 µC are placed at opposite corners of a square. The length of eac...

A: Work is a state function and doesnot depend on the path involved. The work done by the force on q0 i...

Q: Activity 1- Electric Flelds DRAWING ELECTRIC FIELDE Pelew thm ru of ectrin flekle and dtraw whst the...

A:

Q: A sample of blood is placed in a centrifuge of radius 17.0 cm. The mass of a red blood cell is 3.0 x...

A:

Q: System A is in equilibrium with reservoir B. They are Einstein solids with the following specificati...

A: Macrostates: A macrostate can be explained using the macroscopic properties of a system. Examples of...

Q: Velocity is which property?

A: There are two types of physical properties. Intensive physical properties Extensive physical proper...

Q: Energy is measured in units of

A:

Q: Two small celestial bodies are sitting 100 miles apart. If they are somehow moved so that they are n...

A: Ques: Two small celestial bodies are sitting 100 miles apart. If they are somehow moved so that they...

Q: A thermometer using Hg  measures temperature because ... Pick all the answers that are appropriate....

A: Correct option are  Mercury is liquid and expands its volume as it is heated.  Reason:  Mercury is t...

Q: 2. Determine the x and y components of each of the forces shown. -800 Dimensions in mm 800 N. 600 42...

A:

Q: Starting in Albany, you travel a distance 461 miles in a direction 43.8 degrees north of west. Then,...

A: Displacement is the shortest distance between initial and final posi

Q: The linear non-uniform charge distribution given by lamda = bx, where b is a constant, lies along th...

A:

Q: Suppose there is an isolated charge (+1.5?10−19?) that is displaced from point A to B due to the ele...

A: Charge (q)=1.5×10-19 C Electric field (E)=6.9 N/C Displacement (d)=1.5 m Work done by electric force...

Q: Co Part A The electric field between the plates of a paper- separated (K =3.75) capacitor is 8.18x10...

A:

Q: LA landing craft with mass 12,500 kg is in a circular orbit 6.75x105 m above the surface of a planet...

A: Given information: The mass of the landing craft (m) = 12500 kg The distance of the orbit around the...

Q: Point charge q = 13 nC is located at (0, 0). What is the electric potential at point P (-3.0 m, 0), ...

A: Given: q = 13 nC = 13*10-9 C location of charge: A (0,0) location of point P: B (-3m , 0)

Q: You launch a projectile at an initial speed of 53.3 m/s from the ground. After 4.50 seconds of fligh...

A:

Q: A body having a net charge of 30C is placed in a uniform electric field of 800 N/C directed vertical...

A:

Q: A steel wire of length LL and radius r1r1 has a resistance RR. A second steel wire has the same leng...

A:

Q: A football player is preparing to punt the ball down the field. He drops the ball from rest and it f...

A: Given, mass of the football, m = 420 g = 0.42 kg speed of the ball after kick, v = 24.5 ms at 53°

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!