If B is added to A,under what condition does the resultant vector have a magnitude equal to A+B? Under what conditions is the resultant vector equal to zero?

Q: Name two forces that generally oppose motion that occurs in our daily experience

A: The two forces that generally oppose the motion that occurs in our daily experience is: Friction fo...

Q: Calculate the arterial blood pressure in the head and legs of an erect person in (cm Blood) unit. As...

A: Given that, The head is 50 cm above the heart. The legs are 130 cm below the heart.

Q: What is the difference between capacitance and capacitor ?

A: A capacitor is a device used to store electrical charge and electrical energy. Capacitor consists of...

Q: At 20°C, a steel rod and an aluminum rod are both 1.25 m long. (a) If both rods are heated to 100°C,...

A: (a) Given: The initial temperature is 20 C. The length of the rods is 1.25 m. The final temperature ...

Q: See the picture: in medium-2, which line is the correct refractive ray. water glass B

A:

Q: could you please answer

A: Write the given values with suitable variables. h=700 km=700×103 mR=6.371×106 mM=5.972×1024 kg Here,...

Q: A particle started from rest at s = -3 and moves in such a way that its acceleration at time t is 6t...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: 21 - Find the speed of one relative to the other of two vehicles arriving at a crossroads with the s...

A: Given data: Velocity of each vehicle is, v1=v2=10 m/s.

Q: A closely wound 0.20 m x 0.20 m square coil of 100 turns is exposed to an external magnetic field of...

A: Given values: Side of the square coil, a=0.20 m Magnetic field, B=0.74 T Number of turns in the coil...

Q: If the electric field exerted the same net force (1.60 x 10^-13 N) on a proton (m=1.67×10^−27 kg), h...

A: Given , Force = 1.60 x 10^-13 N Mass of proton = 1.67×10^−27 kg Distance (S) = 0.20 m   

Q: Four resistors when connected in series give an equivalent resistance of 75 Ω. Three of the resistor...

A: Given:-           The first resistance resistor R1 = 18 Ω                             Second resisto...

Q: A pendulum consisting of a light string and an object (mass 2 kg) is released from a horizontal posi...

A:

Q: Turksat 5A Satellite is launched in a circular orbit 700 km above the earth's surface. a. How long d...

A:

Q: need help with this question. Amelia holds a basketball over her head, 1.8 m above the ground. she t...

A: Given: The height initial height above the ground is 1.8 m. The initial speed given is 5.0 m/s. Intr...

Q: . Make a web search and explain in your own words a method to measure distances inuniverse.

A: There are different methods to measure distances in universe.

Q: 40 - What is the moment of inertia with respect to a rotation axis parallel to and along the radius ...

A: Given: Mass of the circular ring = 2 Kg Radius of ring = 3 m

Q: SHOW COMPLETE SOLUTION 2. Detemine the resultant vector of the following vectors: A= 30 m 55° N of W...

A: Given- A=30 m 550 N of WB=40 m 300 N of EC=50 m, South To find R=A+B+C  

Q: KINDLY FILL IN THE BLANKS: (4 blanks) An ice-making machine operates in a Carnot cycle. It takes hea...

A: Given : m = 85 kg Tc = 0°C = 273 K TH = 24°C = 297 K

Q: The period of motion of an object-spring system is 0.251 s when a 40.67 g object is attached to the ...

A:

Q: If a sound wave has a frequency of 400 Hz and the speed of sound is 343 m/s, What is the wavelength ...

A: Write the given values with suitable variables. f=400 Hzv=343 m/s Here, f denotes the frequency and ...

Q: Pl Provide Detail Info

A: Form the De Broglie equation, the momentum of the electron can be calculated if its wavelength is kn...

Q: Marie Ann is trying to predict the time required to ride her bike to the nearby beach. She knows tha...

A:

Q: 2-3b) please explain why C is correct

A: The Interference between light waves in a Young's experiment occurs because, "The waves travel diffe...

Q: A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from th...

A: Given:-          Period of pendulum (T) = 11.0 s

Q: E • A • B В

A: calculate the force experienced by the proton due to the electric field. calculate the work done by ...

Q: 9. An automobile tire is inflated with air originally at 10.0 °C and normal atmospheric pressure. At...

A:

Q: A ball is thrown straight up with an initial speed of 12 m/s. What are the velocity and acceleration...

A: In a projectile motion: The object starts from zero and reaches the highest point of the trajectory....

Q: 30 - With the effect of the force of F = (2xi + 8yj) N, the object starts moving from A (0,3) point ...

A: Given, F = (2xi + 8yj) N A (0,3) B (6,7) Therefore, x1= 0 X2= 6 y1= 3 y2=7  

Q: 1. NASA is expected to send a 2600-kg satellite 450 km above the earth's surface. (a) What is its ra...

A: Given: The mass of the satellite is 2500 kg. The height from the earth's surface is 450 km. The mass...

Q: 29 - The angular position of a window is given by the following expression. Find the angular velocit...

A: Angular displacement θt=7+5t+4t2 Angular velocity ωt=dθdt=5+8t

Q: 1.) A vehicle runs horizontally at the rate of 20m/sec for 10 sec., then turns in a direction of 30 ...

A:

Q: A jet flies straight at a speed of 80 m / s at an altitude of 1300 m above the z surface. The mass o...

A: Given, m=1200kg v=80m/s r=1300m   Angular Momentum = mvr

Q: An atomic nucleus of mass m traveling with speed v(along the +X-axis) collides elastically with a ta...

A: Given:  Nucleus mass, mN→m Nucleus speed, viN=v Target particle mass, mT→4m Target particle initial ...

Q: A bear, awakening from winter hibernation, staggers directly northeast for 23 m and then due east fo...

A: Given  first displacement 23 m in northeast direction second displacement 23 m in east direction we ...

Q: Ignoring air resistance, how long will it take a rock that falls off a 50 meter cliff to hit the gro...

A:

Q: Like many other space objects. Earth travels in a predictable path through space. Which path is it ?

A: Required : Path of the Earth through the space.  

Q: can you help me please?

A:

Q: Calculate the de Broglie wavelengths of (a) an electron moving with speed 1.0×106m s-1and (b) a base...

A: (a)speed of electron,(v)=1 x 106 m/sec ----(1) [Given] Plank's constant,(h)=6.6 x 10-34 kg-m2/sec --...

Q: Which of the following best describes the velocity of an object? A)none of the above B)50 m/s C)50 m...

A: Velocity is a vector. And a vector has both magnitude and direction. Magnitude is the value of the p...

Q: Problem 2 When the parallel plate capacitor (below) gets a potential difference of 49 Volts, a -17.0...

A: Let q be defined as the charge on the capacitor, V be defined as the applied voltage, and C is defin...

Q: Newton’s version of Kepler’s third law is P2 = 4 π2 / [G (M1 + M2)] · a3, where G is the gravitation...

A: Given data: The value of gravitational constant G is 6.67×10-11 m3/kg.s2 The average distance is a=...

Q: Henrietta is riding the Giant Drop at Great America. If Henrietta free-falls for 2.9 seconds, what w...

A:

Q: A ball with a mass of 200 g is thrown from right to left towards a wall at 20 m / s. After the ball ...

A: Given: Mass of the ball = 200 gm speed of the ball = 20 m/s The final velocity of the ball = 10 m/s ...

Q: The coefficient of friction between the 3kg block and the surface in figure 0.4. The system starts f...

A: Given, m1 = 3kg m2 = 5kg μk = 0.4 h = 1.5m Vi - initial potential energy Vf - final potential energy...

Q: Plot this data

A: From the above table, the tick is taken in the x-axis and the y-coordinate is taken as cm/tick.

Q: 29 - A plane arrives at the terminal and its engines are shut down. The rotor of one of the motors i...

A: Given: The initial angular velocity is ω=2000 rad/s. angular acceleration is α=80 rad/s2. The time ...

Q: During a ski competition, a skier moves on a track ABOC situated in a vertical plane as shown in the...

A: Between A and B: In the question it is given that, Intial velocity u=0 Final velocity v= 22m/s time ...

Q: A system of four identical particles of mass 4.00 kg are located at the corners of a square with sid...

A: The moment of inertia of a system can be given by I=∑MiRi2

Q: In a constant-volume process, 209 J of energy is transferred by heat to 1.50 mol of a Chlorine gas (...

A: Expression of work done -  W=∫ P. dV .....(1) Where,  W = Work done  P = Pressure  dV = Change in vo...

Q: One of the guitar wire mass is 0.5 g and length 30.0 cm is stretched with a tension of 20.0 N. A wav...

A: Mass of wire = m =0.5 g = 0.0005 kg Length of wire =L = 30 cm = 0.30 m Mass per unit length  = û= m/...

Scalars and Vectors

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