Carefully consider the correct number of significant figures in the calculations. 1. Find the surface area of disc given: Radius: 1.25 cm Thickness: 0.25 cm 2. Find the perimeter of the block given: Length: 8.6 cm Width: 6 cm

Q: The lenses in the figures below are all made of glass of index 1.50 and have surfaces with radii of ...

A: Given: n=1.50 R1 or R2 = 10.8 cm or 21.5 cm

Q: 9. An infinitely long, solid, cylindrical conductor of radius R carries a current I. Which graph cor...

A:

Q: A positive charge of mass, 6.68 x 10-27 kg, passes through a velocity selector in a horizontal path ...

A:

Q: What is the minimum diameter (D) of the Cu wire so that AV < 1.5 V? Ocu = 6.07 x 107 (Ohm-m)1 e=D100...

A:

Q: 1. How do we hear sound? 2. What is an ultrasonic sound? Infrasonic sound? Audible sound? Ultrasonic...

A: Answer:-  Answer (1) :-Sound waves enter the outer ear and travel through a narrow passageway called...

Q: Point charges of +12 x 10-9 C and -12 x 10-9 C are placed 10cm apart. (a) Compute the potential at p...

A:

Q: QUESTION 3 A 1,500 kg car's tires apply 3E3 N of force against the ground to push the car forward. W...

A: 3) mass of car (m) = 1500 kg force applied by car's tires against the ground to push the car forward...

Q: Q1: determine the resultant of the force system in next figure. And locate the resultant with respec...

A:

Q: 7. The electrons in the hydrogen atom are at the activation energy level 1. 7.4 If an electron chang...

A:

Q: (b) According to Lenz's Law, in which direction will an induced current in the loop travel? How do y...

A:

Q: 3. A sled carrying a child (combined mass 30 kg) is given a push and then allowed to slide down a hi...

A:

Q: What is the density of a substance of mass 150 g and volume 15 cm3

A: Given data :                      Mass   =   m                     Volume  =  V        To find :    ...

Q: Q3) a) A ray of light in diamond incex of refraction 2.42 is incident of 53.2 on an interface with a...

A: to solve this problem we use snell's law of refraction and concept of critical angle n1sin(θ1)=n2sin...

Q: The mass of Mars is 6.42 × 10^23 kg. Its moon Phobos is 9378 kilometers away from Mars and has a mas...

A:

Q: Determine from what height would a car have to be dropped to have the same kinetic energy that it ha...

A:

Q: Part A When the Hokee fish migrates from deep Pacific waters to the west coast of North America each...

A: As given, The velocity, v=1531 ms2 The frequency at note Ab from the given frequency table, f=415.3 ...

Q: Calculate the conversational voltage and current Voltage and current of the capacitive and draw a gr...

A:

Q: o The radiys of Curvat ure of surfaces double Convex len s are Ri=R2 = b0 Cm- The refractive index o...

A: Answer:-  Given  Radius (R1) = 50 cm  Radius (R2) = - 50 cm  Refractive index (n) = 1.5  Power of th...

Q: How do alpha particles, beta particles and gamma rays differ from each other: a) by mass b) by charg...

A: Given  Differ alpha particles , beta particles and gamma rays 

Q: A current of 7.37 A in a solenoid of length 10.0 cm creates a 0.353 T magnetic field at the center o...

A: From the question we are told that The current is I=7.37A The length is L=10.0 cm=0.1 m The magnetic...

Q: A 2000-kg pickup truck is moving at a speed of 40 m/s as its brakes are applied, and comes to a stop...

A:

Q: The lenses in the figures below are all made of glass of index 1.50 and have surfaces with radii of ...

A: Given  Refractive index = 1.5    After sign convention -  Radii of curvature , R1 = -10.8 cm  Radii ...

Q: Calculate the magnitude of the magnetic force per unit length between a pair of parallel wires separ...

A: Given data as per question Distance between wires =2.98 m current in each wire=3.40 A

Q: For the network of capacitors shown, find the (a) equivalent capacitance and (b total charge when co...

A: According to question we need to find  equivalent capacitance  total charge 

Q: DGIVEN THIS SITUATION. PERFEETHY ELASHC GOHIGION, Bl Mi,VI,m2 ARE KNOWN, Ma M2 Ar REST. DERIVE ANRQU...

A: 1. The coefficient of restitution (COR, also denoted by e), is the ratio of velocity of separation t...

Q: 9.The soap film had a refractive indexn = 1.40 and a thickness of 600 nm when white light was projec...

A:

Q: Do you ever wonder about the bullet holes in deer crossing (xing) signs? Perhaps the passenger of a ...

A: Determine the speed of the bullet while hitting the sign in the reference frame of the sign.

Q: he 60-lb hoisting block is operated by a motor M. Starting from re un be wound up by the motor so th...

A: We know that the first equation of the motion is given as  v = u+at  where v is the final velocity  ...

Q: Object A, sliding on a frictionless surface at 3.2 m/s, hits a 2 kg object B which is at rest. The c...

A: In all collision momentum remains conserved Momentum before collision = momentum after collision In ...

Q: Given data : Force%3D3 N Work done=12 J Find Displacement

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

Q: Question 5 Listen A 3/8-inch diameter bolt is subjected to a 2,085-lb tensile load. The bolt passes ...

A:

Q: Find Young's modulus if the strain equal ( 0.0002) and stress equal ( 80 N/mm2) * O 0.0 8 O 0.016 O ...

A:

Q: QUESTION 1 "Speedy" the super-tortoise accelerates from a dead stop to 1 m/s in 60 s. What is his av...

A: Given value--- initial speed = 0 m/s. final speed = 1 m/s. time = 60 sec. We have to find--- acce...

Q: at is the direction of the force on the wire if both are parallel to the ground?  B) Calculate the ...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: A gas can be taken from A to B via two different processes ACB and ADB. PA B A D When path ACB is us...

A:

Q: A) State the main differences between the parallel circuits and Series circuits.

A:

Q: Work-energy theorem: A 7.0-kg rock is subject to a variable force given by the equation F(x) = 6.0 N...

A:

Q: A soccer player kicks a ball at 30m/s at an angle above the horizontal of 50 degrees minus the day o...

A:

Q: Two capacitors (C1 and C2) joined at both ends are summed as follows: 1 1 1 a) Ceq C1 C2 b) Ceg = C1...

A: According to question we need to find equivalent capacitance. 

Q: On a midway ride called The Round Up, participants climb into a cylindrical apparatus and stand upri...

A: mass of rider, m = 60.0 kg radius of round up ride, r = 8.0 m time period of ride, t = 4.0 s.

Q: is flying at an airspeed of 400 km/h, on a heading of 035°. A 175-km/h wind is blowing from a bearin...

A: We know that we have given that the airplane is flying at an airspeed of 400 km/h, on a heading of 0...

Q: 6. From the figure, a convex lens has a focal length f, when an object is placed in front of the len...

A:

Q: _1. The final momentum of a moving soccer ball is increased if the A. force acting on it is increase...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: Electron gaing downwards Magnetic Field is positive Direction of Field? Out or Into Eleetron going u...

A: Write the given data : Fig A                                                                        ...

Q: Two particles of equal mass 'm' go around a circle of radius Runder the action of their mutual gravi...

A:

Q: Relate hydrostatic equilibrium to the star's mass, composition, and evolution off the main sequence.

A: Hydrostatic equilibrium means that the inward force of gravity,a product of the star's mass, is exac...

Q: A satellite is in a circular orbit around the Earth at an altitude of 1 000 km. The radius of the Ea...

A:

Q: A wire carries an I, = 7.40-A current along the x-axis, and another wire carries an I, = 5.75-A curr...

A: Given: The current in wire along the x-axis is I1 = 7.4 A. The current in wire along the y-axis is I...

Q: 21. A 10.0 uC charge is placed at x =0 m, y =0 m. A second -5.0 uC charge is placed at x =2.0 m, y =...

A:

Q: The image below shows the electric field lines between two charges q1 and q2. It also shows the equi...

A: Given