Three forces 20N, 30N, and 40N are in equilibrium. Find the angle between the 30N force and the 40N force.

Q: A cube has positive charge +Q in all corners except for one, which has a negative point charge - Q. ...

A:

Q: Figure 4 Positive direction Positive direction Chris Richard Katherine crate Richard and Katherine w...

A:

Q: A block weighing 100N is held on a 40˚ incline by a bar attached to a 150N block on a horizontal  pl...

A:

Q: A rock thrown vertically upward from the surface of the moon out of velocity of 32 m/sec reaches a h...

A:

Q: A satellite is in motion around Earth with a period of 1.01 hour. A satellite just like it is put in...

A:

Q: A  progressive wave travelling in the x-direction is represented by the following equation:   y = A ...

A:

Q: rigure r3.11 Problems 11 and 22. Three displacements are A 200 m due south, B = 250 m due west, and ...

A:

Q: In the system of connected blocks shown in the figure, the coefficient of friction under blocks B an...

A:

Q: Vhich types of light are absorbed by genetic material? (SELECT ALL THAT APPLY) O ultraviolet (UV) vi...

A:

Q: How much work in kJ is necessary to compress air in an insulated cylinder from 0.215 m to 0.035 m? U...

A: To solve this we generally make a few necessary assumptions. They are: The gas is ideal gas It is a...

Q: 2. Samir drives 250 km [E] and then 300 km [W] in a total time of 5 hours.Show all of your work a) W...

A: Displacement is the shortest length of path  Distance is length of actul path

Q: 4. Vector A S has a magnitude of 35.0 units and points in the direction 325° counterclockwise from t...

A:

Q: A spherical conductor whose center is at point O and radius R = 20 cm, is given a charge Q = + 100 μ...

A: Answer:-  Given  Charge (Q) = + 100 uC = 100 × 10-6 C = 10-4 C  Radius (R) = 20 cm = 0.2 m  Coulomb ...

Q: A 2 kg mass experiences a force F=3+2x in the x direcntin.  What is the final velocity at x=1 m if t...

A:

Q: What are the magnitude and direction of the electric field if the object has .. a.) a charge of + 30...

A:

Q: 4. Prove that A2 = 0 when the scattering angle of incident rays equal to zero.

A: Compton discovered that when X-rays of a sharply defined frequency were incident on a material of lo...

Q: A 38.5 kg block is attached to a pulley and placed on a horizontal desk. The pulley is attached to a...

A:

Q: When we think of causal time, causes that are far back in time (i.e., not the immediate cause) time ...

A:

Q: An object performs SHM of amplitude 5 cm and time period 4 s. If timing is started when the object i...

A:

Q: Calculate the total force exerted by the atmosphere on a rectangular table top that measures 1.6 m x...

A:

Q: 4. A certain charge Q is to be divided into two parts. Q-q and q. What is the relation of Q and q if...

A: Given data: The divided charge are,  q1=Q-q q2=q

Q: Three charges were arranged and held in place in a straight line. The distance between the first two...

A: The potential energy of a three charge system is given by, U=kq1q2r12+q2q3r23+q1q3r13 where k is Cou...

Q: If you drive an old, run-down car, and every time you hit the brakes the front of the car bounces up...

A:

Q: (a) (b) (с) la la a=b (d) (e) (f) la la a=p

A:

Q: Two progressive waves y1 = A sin(x – ot) and y2 = A sin( 4 x – wt – 5) travel in the same direction....

A:

Q: 2. Samir drives 250 km [E] and then 300 km [W] in a total time of 5 hours.Show all of your work a) W...

A: Given Samir drives d1=250 km E and d2=300 km W Total time taken is t=5 h   Formula Average speed can...

Q: A hose for firefighters has an inner diameter of 10.0 cm. The pressure inside the hose is 400 kPa hi...

A:

Q: Problem 3: A meteoroid is moving towards a planet. It has mass m = 0.66x10° kg and speed vị = 3.5x10...

A: Given that:m=0.66×109 kgv1=3.5×107 m/sR1=3.2×107 mR=0.26×107 mM=7.6×1025 kg

Q: Problem 7: A skateboarder with mass m, = 51 kg is standing at the top of a ramp which is h, = 3.1 m ...

A:

Q: A certain object has a mass of 74 kg at sea level, what will be its mass at a point where the accele...

A: The quantity which is effected by the acceleration due to gravity is the weight of body because it i...

Q: A flat horizontal plate of area 400 cm² is dragged over a O.20 cm thick layer of oil at a speed of 3...

A:

Q: A battery is connected to a light bulb in a circuit. The voltage of the battery is 1.5 V. The light ...

A: Given value--- resistance = 1.5 ohm. voltage = 1.5 V. We have to find--- current?

Q: (2) What scenario or situation was the defibrillator compared to? Give evidence.

A: A defibrillator is a machine that delivers a high energy electric shock to a person who is experieci...

Q: arrangemer a pipe current, i, into the page while the wire carries that same current, i, out of the ...

A: We need to find the ratio of magnetic fields at point P and point C as shown in the figure.

Q: Problem 6: A child's toy consists of a m= 45 g monkey suspended from a spring of negligible mass and...

A:

Q: Problem 3: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in ...

A: mass of skier (m) = 15 msh = 2.5 m θ = 35ocoefficient of friction = 0.31vi = 15 ms  

Q: 2-78. Three forces act on the ring. If the resultant force FR has a magnitude and direction as shown...

A: GivenF1=80 NF2=110 NFR=120 N

Q: In this activity, please write TRUE if the statement is true and write FALSE if the statement is fal...

A: white light contains all colors angle of incidence and reflection are equal. light speed depends on ...

Q: photo electrons are emitted. Why? I want a simple answer.

A: we have to evaluate why sometimes electron are not emitted even when light strikes on a surface.

Q: In the figure, block 1 (mass 1.5 kg) is moving rightward at 9.3 m/s and block 2 (mass 8.5 kg) is mov...

A: Given value--- mass (m1) = 1.5 kg. speed of m1 = 9.3 m/s. mass m2 = 8.5 kg. speed of mass m2 = 1.9 ...

Q: (a) A frictionless piston-cylinder device contains oxygen at -50°C and specific volume of 0.03 m'kg....

A:

Q: В C D Part C For which orientation will 6 be closest to 0? O D O B Submit Request Answer

A: The angle with the ground is depend on the mass of the object. They are directly proportional to eac...

Q: The diagram shows an electrical circuit. The battery and cell in the circuit may be assumed  to have...

A: GivenCircuit shown in figure

Q: 1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the...

A:

Q: A mass m1 = 3.2 kg rests on a frictionless table and connected by a massless string over a massless ...

A:

Q: Determine the magnitude of the torque acting on the free end of the coil and caused by a 0.90-T fiel...

A: Torque is given by cross product of N I ( A×B) where we need to see angle between area vector and ma...

Q: 7. A balky cow is leaving the barn as you try harder and harder to push her back in. In coordinates ...

A: Initial position of cow = 0 m Final position of cow = 6.9 m F(x) =-[ 20 N + (3Nm x) ]  

Q: For the motion shown in Fig. 11-3, what are the amplitude, period, and frequency? x (cm) 0.75 0.40 0...

A:

Q: Two asteroids each have mass of 1.41 × 10^14 kg. The strength of the gravitational force between the...

A: Given-Mass of each esteroids (M)=1.41×1014KgGravitational Force(F)=1030NLet the distance between ast...

Q: n object of mass m, initially hangs from a rod of length L and negligible mass that can pivot freely...

A: We have given that an object has a mass m1 which is hung from a rod of length L and negligible mass ...