What is the y component of F3=469 N?

Q: Given data : Force%3D20 N Displacemnt=12 m

A: Given data : Force=F Displacement=d   To find : Work done

Q: Three capacitors are connected to a battery as shown in the figure below. Their capacitances are C, ...

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Q: When a 10,000-m runner competing on a 400-m track crosses the finish line, what is the runner’s net ...

A: Length of track 400m Distance covered by runner = 10000m

Q: 1. Margaret put the 2.0 Kg brick has the dimensions 7.5 cm x 15 cm x 30 cm in the table top. Find t...

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Q: Observe the diagram given below 12cm 6cm 24kg According to the diagram, the load "A" has B. 18kg C. ...

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Q: 26. Which term identifies a scalar quantity? (1) force (2) energy (3) displacement (4) velocity

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Q: A15 gram gun fires bullet at a muzzle velocity of 600 m/s. What is the recoil velocity of the gun?

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Q: A square plane, whose sides measure 2m each, is placed parallel with the direction of the electric f...

A: Express the relation for the electric flux through the plane. ϕE=EAcosθ ------(1) Here, ϕE is the el...

Q: OV 300 V 3.0 mm 100 V 200 V

A: Capacitor is a electric charge storing device. It is made up of two parallel plates which are conduc...

Q: i = -32 + 83 = 5 making angle 240 degree measured counterclockwise from +x axis. Find the angle of 2...

A: v→ =-3i +8j u= 5 θ=240° counterclockwise

Q: The acceleration due to gravity in the surface of jupiter is 254 percent tines that on earth . an ob...

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Q: When estimating the area covered by an object, what type of error might you make and what sources mi...

A: Given:  Scenario where we are measuring area covered by the object.

Q: (b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms?

A: the current in an RL circuit is given by i      here i = current in circuit at time t  V = potentia...

Q: 1. A stone is dropped from the roof of a 100 m high building. Find a.) its final velocity in (meter ...

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 100 m Required: Final velocity as stone reac...

Q: Find (a) the energy absorbed as heat and (b) the change in entropy of a 2.78 kg block of copper whos...

A: the energy absorbed as heat is given by Q=mC ( T2-T1 ) where m = mass of copper  C = specific heat o...

Q: 19.3 g/ml -----> kg/m^3

A: Given data:  Density (ρ) = 19.3 g/ml Required: Density in kg/m3

Q: (a) When a battery is connected to the plates of a 5.00-uF capacitor, it stores a charge of 60.0 µC....

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Q: Three equal charges of +3C are arranged in a straight line in the sequence of Q1, Q2 and Q3. The dis...

A: Given data- Three equal charges Q1=Q2=Q3= +3C Distance between charge 1 and 2 is =3/4 meters Distanc...

Q: 19 slugs to kg

A: Required  19 slug to kg

Q: In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P...

A: Given Resistance of the resistors are given as R1=5R and R2=15 R, where R=14 Ω Power dissipated in r...

Q: The resultant of two equal forces A and B are 60 Ibs. If it makes an angle of 30°with A, find the ma...

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Q: Two charges, 4.2 mC and -11.0 mC are separated by distance 41 m. What is the magnitude of the electr...

A: Given data:  Charge (q1) = 4.2 mC = 4.2×10-3 C Charge (q2) = - 11.0 mC = -11.0×10-3 C Distance (r) =...

Q: motorcycle is traveling at a constant speed v when it encounters a circular hill of radius r = 590 m...

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Q: An outdoor concert speaker  emits sound at 125 dB, as measured 1.00 meter away. How far away do you...

A: Given,                  β1 = 125 dBR1 = 1 mβ2 = 85 dBR2 = ?  

Q: Starting from rest, a wheel undergoes a constant acceleration for 10 seconds. When t = 3.0 s, the an...

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Q: Three point charges are located on an x-axis. Charge q1 = 3 µC is at position x = 0 m, and charge q2...

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Q: Egg Drop. You are on the the physics building, 46.0 m ne ground (Fig. P2.70). Your professor, who is...

A: We know that the height of the building is h = 46 m and the height of the professor is y = 1.8 m, yo...

Q: 38. When a 5-kilogram mass is lifted from the ground to a height of 10 meters, the gravitational pot...

A: when the object from its initial position is lifted by height h on earth then the gravitational pote...

Q: A projectile is launched with an initial speed of 30 m/s and at an angle of 60 degrees with the hori...

A: Data Given ,  Initial velocity ( u ) = 30 m/s Angle ( θ ) = 60°   

Q: An object has a charge of -2.1 µC. How many electrons must be removed so that the charge becomes +4....

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Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the squa...

A: Electric field due to point charge E = kq/r2 

Q: A long straight wire carrying a current of 2.05 A moves with a constant speed v to the right. A 5 tu...

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Q: The electric force between two point charges with a magnitude of +800nC and 900nC is 15N. How far ap...

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Q: Starting from rest, a bullet train acquires a velocity of 200 km/h during 20 seconds. What is the ac...

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Q: A solid ball is rotated by applying a force of 4.9 N tangentially to it. The ball has a radius of 14...

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Q: Determine moment of inertia about centroid along axi of rectangular section having width=5 m and dep...

A: We know that the moment of inertia is given as  The moment of inertia is defined as the quantity exp...

Q: A long, straight wire lies on a horizontal table and carries a current of 2.20 µA. In a vacuum, a pr...

A: Given: Current in the wire =2.20μA =2.2×10-6 C Speed of proton(v) = 2.2 ×104 m/s Charge of a proton ...

Q: (a) What is the entropy change of a 44.8 g ice cube that melts completely in a bucket of water whose...

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Q: Object A is neutral and object B carries a net charge. They are placed near each other on an insulat...

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Q: A 4.6 μF capacitor is connected to a 116.2 V battery. Calculate the amount of energy stored in the c...

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Q: 9. A boy weighing 160 lbs lies in a hammock. The rope at the persons head makes an angle of 40 with ...

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Q: Consider the two vectors A= 12i+ 5j and B=-3i. What is the cross product Ax B? O 51 k O none of the ...

A: Given data:  A→ = 12i^ + 5j^B→ = -3i^ Required: The cross product of vector A and B

Q: At the top of a frictionless inclined plane, a 0.50-kilogram block of ice possesses 6.0 joules of gr...

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Q: A police car accelerates from rest to a velocity of 15 m/s in 6.2 seconds. What is the average accel...

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Q: 12. A stone is dropped into a deep well and is heard to hit the water 4.41 s after being dropped. De...

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Q: 9154319310 days to years

A: Given data:  Time (t) = 9154319310 days  Required: Time in years

Q: 1. Given: Vector D, with horizontal and vertical components: 20 in and 30 in, respectively. Vector D...

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Q: Shown below is a body of mass 5.0 kg under the influence of the forces FA, FB and mg. If the body ac...

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Q: A wind turbine blade with a radius of 28 m and a mass of 1390 kg is rotating at 0.75 rev/s!!!! 1)As...

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Q: A working student works at a pub during weekends. The assigned task to him is to fill drinks for cus...

A: Work done by student: W1=F.s=8.2N×50100m=4.1 Joules   Work done by friction(it will be negative beca...

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.