) When a light ray in air (n = 1) enters glass (n = 1.52) at an angle of incidence of 30o, what is the angle of refraction?   a) 90.0o b) 19.2o c) 15o d) 38.7o e) 0.0o

Q: A knife thrower throws a knife toward a 300 g target that is sliding in her direction at a speed of…

A: Given Data:- Mass of the target is M=300g =300g×10-3 kg1 g=0.300 kg Initial speed of the target is…

Q: A proton (mass = 1.67 × 10-27 kg, charge = 1.60 × 10-19 C) moves from point A to point B under the…

A:

Q: If the magnitude of the force she exerts on the suitcase is 25.0 N, and she does +1.14 x 103 J of…

A:

Q: A ball of mass 0.512 kg moving east (+ direction) with a speed of 3.80 m/s collides head-on with a…

A:

Q: How much work is done by a powerlifter that pushes a car with a force of 800N at a distance of 200 m

A:

Q: If a wave travels through the same medium, which of the following must occur if the wavelength…

A: Solution: Given: It is asked, "if a wave travels through the same medium, which of the following…

Q: A child with a weight of 200 N swings on a playground swing attached to 2.20 m long chains. What is…

A:

Q: particle experiences? 1.59 Check your evaluation of the cross product as this is a likely source of…

A:

Q: How much power is dissipated by the 2Ω resistor? Suppose that ΔV1 = 3V and ΔV2 = 6V

A: Given: ∆V1=3 V∆V2=6 V

Q: Order the current in each of the circuits from least to greatest. 5Ω 1.5V 1.5V ΗΘ Hit&J Μ (1) (2) 1…

A:

Q: 400 kg trailer with a spring attached to it is travelling at a speed of 20 m/s. The trailer collides…

A:

Q: A storage battery has an emf of 25 V and an internal resistance of 0.200 ohm. Compute its terminal…

A:

Q: . Protons are projected with initial speed v; = 9.55 km/s field electric into a region where a…

A:

Q: Solve the resultant vector. John was given a mission in South  America:to find the treasure box.…

A:

Q: In the circuit in the picture, the resistors are R₁ = 100.0 kn, R₂ = 150.0 kn, R3 250.0 kn, R4 =…

A:

Q: The automobile bumper jack is designed to support a 4680-N downward load. Begin with a free-body…

A:

Q: How many grams of water at 100 degrees Celsius can be evaporated per hour per square centimeter by…

A:

Q: Does g = 9.8 or 9.81 Or is it both

A:

Q: Your humble physics Professor elevates a ball hanging from a string away from it's lowest position…

A:

Q: What is the frequency of the third harmonic of a wave on a string that is 1.27 m long and has a wave…

A: Frequency of third harmonic is  F=nv/2l Where n=3  V=246 m/s  l=1.27 m

Q: is using a with near point 44.3 cm magnifying glass of focal length 16.4cm. Sees an at 7.8cm from…

A:

Q: A spring with a spring constant of 1.7 N/cm is attached to a 3.2 kg mass. If you were to pull and…

A:

Q: an object covers 35.79m in 7.37s (seconds) while decelerating until reaching a final speed of…

A:

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 19 times the…

A:

Q: A 0.450 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly…

A: Given  Diameter of plastic sphere , d = 0.450 cm  Chage , q = 55.0 pC = 55×10-12 C   Let Potential =…

Q: The colored regions in the figure below represent four three-dimensional Gaussian surfaces A through…

A:

Q: A boy walk 140 m due north, 85 m due east, 35 m due southeast, 38 m due west and then 19 m due…

A: Distance 140 m north, 85 m east, 35 m southeast, 38 m west, 19 m northwest. Displacement is a vector…

Q: The rest energy, in joules, of an electron of mass 9.11 x 10-3¹ kg is a. 5.1 x 105 J d. 3.0 x 10-3⁹…

A:

Q: Consider the circuit shown below. (b) ww (c) 8.0 92 wwww 4.0 92 www E2= 5.0 V HH 5.0 Ω www &1= 9.0 V…

A: Given:-  A circuit is given as  Find :- The value of current in a reach brach of the circuit ?

Q: A spring-loaded Nerf gun can shoot a foam bullet 11.0 m straight up into the air when the spring is…

A:

Q: 10. If an astronaut who has only aged 3 years returns to Earth 15 years later, how fast was his ship…

A:

Q: SHM 2 1. A spring has a spring constant of .9 and a mass of 10 kg is attached. a. If it pulled back…

A:

Q: Suppose a car is travelling around a circular, banked racetrack (similar to NASCAR). In what…

A:

Q: Given the two charged particles shown in the figure below, find the electric field at the origin.…

A: position vector of q1 = r1→=4i^+j^ distance of q1 from origin =d1=42+12=17cm   position vector of q2…

Q: Perform the following experiment: Take two different balls that can bounce (a tennis ball and a…

A: Note:-   “Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the…

A: Given data- Mass of object m=80.0 kg and object is on the earth.

Q: The x- and y-directions of the rectangular coordinate system are to be translated into the…

A: The vector H can be written in the form of vector F and vector G as H =Mf F + MgG So, by putting the…

Q: A 4 kg block is initially sliding up a 30° incline at 6 m/s. It slides 3 m along the surface before…

A:

Q: wit am 60° B 1m 60° 1m 1m axis 1m 2m The wire has 5 segments each of 1 m can rotate around the axis…

A:

Q: What total capacitances (in uF) can you make by connecting a 5.60 mF and an 8.90 MF capacitor…

A: Given C1 = capacitance 1 = 5.60 mF C2 = capacitance 2 = 8.90 MF We have to calculate it's equivalent…

Q: A spring-loaded toy gun can shoot a foam bullet 4.6 m straight up into the air when the spring is…

A: in this question  we use potential energy equation of spring gun.

Q: Problem 3. A DC circuit consists of an ideal 4.5-V battery and six resistors, connected by ideal…

A:

Q: 1. A 10.0-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s.…

A: Energy of system is always conserved. It just changes its form. Here the total mechanical energy is…

Q: The porential difference across a resistor in a particular electric circuits is 180 V. The current…

A:

Q: Do the units of the x and y ases matter when calculating the work done in a Force Vs. Position…

A:

Q: If the +x- and +y-axes point to East and North respectively, what are the components of vector A=…

A:

Q: How much ice at -15 °C is needed to condense 80 g of steam at 100°C and reduce the temperature of…

A:

Q: Two spaceships are heading towards each other with speeds of 0.5c. One ship shines a laser beam at…

A: Speed is light is invariant under lorentz transformations.

Q: A light ray shines on a flat glass surface at an angle of 30o to the vertical, what is the angle…

A: Given data:  Angle of incidence (i) = 30° Required: The angle between the incident Ray and reflected…

Q: What is the magnitude (in N/C) and direction of an electric field that exerts a 3.50 ✕ 10−5 N upward…

A: Given data: Force (F) = 3.50×10-5 N, upward  Charge (q) = -1.50 μC = -1.50×10-6 C Required: The…