Profjohn walks out of the studio to pick up the newspaper and travels 3.90 meters in the x-direction, turns and walks -4.00 meters in the y-direction. What is the angle measured counterclockwise from the +x-axis? O 134° O224° 136° O 314° O 46.0°

Q: package is being vibrated on a vibration table. Accelerometers are attached to the table and the…

A: An accelerometer is an instrument that evaluates a structure's vibration or acceleration of motion.…

Q: A Deadly Virus. On your flight out of South America your cargo plane emergency-lands on a deserted…

A: T

Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…

A: The loudness of the sound is measured in decibel, and it is directly proportional to the intensity…

Q: A 80 kg person is parachuting and experiencing a downward acceleration of 1.9 m/s2. The mass of the…

A: Write the given values with the suitable variables. a=1.9 m/s2m=7.9 kgM=80 kg Here, a is the…

Q: Write an original word problem pertaining to Gauss' Law. (Make sure you keep your worked out…

A:

Q: 1. (From an old exam) The graph below shows the velocity of a car (in kilometers per hour) as a…

A: Given that,  A graph between velocity and time .  1 km / h = 5/ 18 m / sec  we converted all…

Q: 7) The figure shows the pinion, plate and chain of a bicycle. Consider that the chain is made up of…

A: Moment if inertia of a thin ring of mass M and radiius R about an axis passing through its center…

Q: As shown in the figure below, a cylinder fitted with a piston is filled with 700 lb of saturated…

A: Given:-  a cylinder fitted with a piston is filled with  m=  700 lb of saturated liquid ammonia at…

Q: For vector addition, you have to use this Parallelogram Geometry Pythagoras Newton's second law

A: 1)  we know that -  for vector addition we use  Parallelogram law which states that. if two vectors…

Q: In 3.10 h, a balloon drifts 20.5 km north, 6.95 km east, and 2.72 km upward from its release point…

A: balloon drift  time = 3.10h d1  =  20.5 km d2   =  6.95km d3  =  2.72km

Q: An airplane starts from rest on the runway. The engines exert a constant force of 78.0 KN on the…

A: Required : Distance traveled on the runway.

Q: 9. A high diver leaves the end of a 3.0 meter high diving board and she strikes the water 1.4…

A:

Q: A student of mass 65.4 kg, starting at rest, slides down a slide 17.2 m long, tilted at an angle of…

A:

Q: In traveling a distance of 2.4 km between points A and D, a car is driven at 97 km/h from A to B for…

A: Given that,  distance between A and D  = 2.4  km  1 km / h =  5 /18 m/sec  velocity between point A…

Q: The position of a 2.58 x 105 N training helicopter under test is given by F= (0.019 m/s³)³ + (2.7…

A: Given: Weight of the training helicopter W=2.58×105N, Time t=3.3 s. Position vector r→=0.019 t3…

Q: A small rocket with a booster blasts off and heads straight upwards. When at  a height of 4km and a…

A:

Q: Explain the reason for holding the shopping bags towards the elbow leads to less muscle effort.

A: Required concept: This can be explained with the concept of Torque.  The force that can cause an…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: In 1.38 minutes, a ski lift raises four skiers at constant speed to a height of 137 m. The average…

A: Energy is defined as the ability to do work. That means if a body or object is having energy, it is…

Q: A proton moves along the x axis according to the equation x = 30 t + 14 t2, where x is in meters and…

A: Given data:  Position as function of time x = 30t + 14t2 Required: The average velocity during first…

Q: A 100 W electric light bulb is connected to a 250 V supply. Determine (a) the current flowing in the…

A:

Q: QUESTION 1 o A projectile shot at an elevated height h=2.0 m. Given initial speed v_0 = 60.0 m/s,…

A:

Q: please help...Is numbers 2 and 3 the same. PHet stim. Charges and fields- potential.

A: From the formula Potential, V = kq/R  With known value of q, V =6.757 v, R= 4m,  We have to find k.…

Q: A force F is applied to a 2.0 kg radio- model car parallel to the x-axis as along a straight track.…

A: To calculate the work done from the given graph, the following concept to be used. " The area under…

Q: 2. Four point charges are at the corners of a square side a. a. Determine the magnitude and…

A: 2.

Q: > Question 7 Convert 365 micrograms to grams. 3.65 * 10-³ g 3.65 * 10-5 g 36500 g 3.65 * 10-4 g…

A: According to question we need to change unit of given quality.

Q: A girl exerts a horizontal force of 109 N on a box with a mass of 30.7 kg. HINT (a) If the box…

A: Given mass of a box = 30.7 kg horizontal force applied = 109 N we have to calculate (a) magnitude of…

Q: A cube of mass ?? is initially at rest at the peak of an inclined plane, which has a height of 4.6 m…

A:

Q: The route followed by a hiker consists of three displacement vectors A, B, and . Vector is along a…

A:

Q: A small, spherical object with a mass of 5 g carries an unknown charge q. It is near the surface of…

A: Given Mass of the object is m=5 g=5×10-3 kg Electric field is given as E=12250 N/C   We have to find…

Q: The electron in the hydrogen atom (in its ground state) orbits the nucleus at a distance of 0.5292…

A: Consider the distance between proton and electron = 0.5292 Angstrom (a) The gravitational force-…

Q: An orthodontic spring, connected between the upper and lower jaws, is adjusted to provide no force…

A:

Q: A particle starts from rest at x = -3.6 m and moves along the x-axis with the velocity history…

A:

Q: A 4.9 kg mass slides on a frictionless surface and is attached to two springs with spring constants…

A: Given value--- mass = 4.9 kg. spring constant k1 = 20 N/m. spring constant k2 = 87 N/m. We have to…

Q: The 13.3-in. spring is compressed to a 6.9-in. length, where it is released from rest and…

A:

Q: carnival game has you throw a ball through a hoop as the hoop falls from some height. Suppose for…

A:

Q: A particle made up of 2 protons and 2 neutrons has a rest energy of 6 X 10-10 J. What would be the…

A: According to question we need to find rest energy of 1 proton and 1 neutron.

Q: In Chart, amplitiude on the Y axis is measured in V. The range (maximum Y axis height) can be set…

A: In the given question, we need to find the best range setting to measure the amplitude of 30 mV to…

Q: A bird is flying due east. Its distance from a tall building is given by  x(t)=28.0 m+(12.4…

A:

Q: A 1,500-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at an…

A:

Q: The only force acting on an object is F 10N in the +x direction. The object travels from = (-4î -…

A: Given Force acting on the object is F→=10i^ N  (the force is acting along +x direction) Initial…

Q: Experiments using "optical tweezers" measure the elasticity of individual DNA molecules. For small…

A: Given:Pulling force for the DNA molecule at one end (Fsp)x is 1.5nN.Stretching distance…

Q: Given a displacement Vector F(t)= (2.50 m)1 + (0.25 m/s³)t³ (6.00 m/s)tk Find the displacement, Keep…

A: The displacement is given by, r(t)→=2.5i^+0.25t3j^-6tk^. Where r is in meter and t is in sec.…

Q: How much kinetic energy does an electron gain when it goes from point a to point b if the  voltage…

A: Given data: A electron goes from point a to point b Voltage difference (ΔV) = 100 V Required: The…

Q: A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude…

A:

Q: 2. Kristi slides a shuffleboard disc along the ground, imparting an initial velocity of 10.0 m/s to…

A:

Q: Calculate the total energy in kW-hours available for the fuel that is available in a reservoir of…

A:

Q: of 10 A in a certain inductor results in a stored energy of 40 J. When the current is changed the…

A:

Q: Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable…

A: Given that,  Mass of glider, m = 184 kg Velocity, v = 26.2 m/s Horizontal distance, d = 53.3 m…

Q: 1. Given Three Vectors A = -2x + 3 + 42 3x + ŷ - 32 Ĉ = 52 - 2ŷ - 2 Find: B: = e.) AX B f.) A. B x 2…

A:

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.