A boat travels west at a speed of 24 m/s across a river that is flowing south at 9 m/s. What is the resultant velocity of the boat?

Q: Question 8 If an electron is emitted from a photoelectric surface of a photoelectric cell with…

A: Given kinetic energy of emitted electron is Kmax=8.5 eV

Q: Question(s): The physics of a bike generator. A generator is mounted on a bicycle to power a…

A: Given Data:Radius of tire Area Magnetic field EMF To Determine:The linear speed of the bike.

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 01a. A 72 N force is applied to a 11 kg box on rough level ground. The coefficient of friction…

A: A free-body diagram for a body under the influence of external forces is the situation where this…

Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure…

A: let q1 = 2.8 x 10-6 Cq2 = 7 x 10-6 Cq3 = 4 x 10-6  C

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

A:

Q: Mickey, a daredevil mouse of mass 0.0189 kg, is attempting to become the world's first "mouse…

A: Given: In this question, the given details are, Mickey, a daredevil mouse of mass 0.0189 kg, is…

Q: - A horizontal force is applied to a 4.0 kg box. The box starts from rest moves a horizont- 20…

A:

Q: A steel wire, 150 m long at 10°C, has a coefficient of linear expansion of 11 x 10-6 Give its change…

A: Write the expression for the change in length. Here, α is the coefficient of linear expansion, L is…

Q: You have been hired as an expert witness by an attorney for a trial involving a traffic accident.…

A: Let V→1i and V→2i be the initial velocities of plaintiff and defendant respectively,And let V→1f and…

Q: An infinitely long wire is uniformly charged. The voltage difference from r 2 m and r= 4 m is 30…

A: Given:    An infinitely long wire --- uniformly charged.    Voltage difference (ΔV) (between r1 = 4m…

Q: The coil in a loudspeaker has 55 turns and a radius of 3.7 cm. The magnetic field is perpendicular…

A: Given: In this question, the given details are, The coil in a loudspeaker has 55 turns and a radius…

Q: 9. Convert 3.14 rad into degree. OA. 180 OB. 45 O C. 60 OD. 30

A: According to question we need to convert rad to degree .

Q: Problem 10. A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that…

A: For a open orgon pipe antinodes are produced at both end. For a closed orgon pipe antinode produced…

Q: An arrangement of source charges produces the electric potential V=5000x2 along the x-axis, where V…

A: Given: Electric potential is V=5000×2 Charged particle is 15 nC Turning points at ±8.4 cm

Q: Problem 9. What length should an oboe have to produce a fundamental frequency of 110 Hz on a day…

A:

Q: The intensity of an earthquake wave passing through the Earth is measured to be 4.0×106 J/m² · s at…

A:

Q: 3. A particle with mass m and charge q=+1.6× 10C has a speed of v-4.5x10' m/s at point A. It enters…

A: As given in figure the diameter of the semicircle is d=50cm=0.5m Therefore its radius is r=d/2=0.25m…

Q: The block in the drawing has dimensions LO×2L0×3L0.where Lo =0.3 m. The block has a thermal…

A: Give Thermal conductivity = 100j/s-mC  Delta T = 21- 12 ° C = 9 ° c

Q: With what velocity vo should a projectile be started at the center of the Earth to reach the surface…

A: As per the guidelines we can solve only 1 question. Solution of 1st question is given Law of…

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: Using the letters, match each prefix with the multiplier it represents. V V V V x 10-6 x 106 x 10-3…

A: The given prefix are associated with multiplier as per their definition.

Q: At an instant when a soccer ball is in contact with the foot of the player kicking it, the…

A: At an instant a soccer ball is in contact with the foot of the player kicking it  , the horizontal…

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: 3. A thread carrying a uniform charge λ, per unit length, has the configurations shown in below…

A:

Q: The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the…

A: a) Draw the free-body diagram of the person.

Q: 7. "The wider the road, the more cars can pass through". Which of the following factors affecting…

A: We need to tell which factor affecting the resistance fits the given analogy.

Q: A gymnast of mass 62.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the…

A: Given, The mass of the gymnast, m=62 Kg Acceleration due to gravity, g=9.81 m/s2