A person can row a boat at 4.00 mi/h in still water. They need to cross a river that is 1.50 mi wide with a current flowing at 2.60 mi/h. a. Draw a labeled picture of the situation b. In order to go straight across, what angle upstream should they point the boat? c. What is the persons speed with respect to the starting point?

Q: A 175 g lump of molten lead at its melting point (327 C) is placed into 55.0 g of water at 20.0°C. T...

A: There is a typo, the specific heat of lead should be 0.130 J/g.oC. Given(s): Mass of water, m1=55.0...

Q: System A is in equilibrium with reservoir B. They are Einstein solids with the following specificati...

A: Macrostates: A macrostate can be explained using the macroscopic properties of a system. Examples of...

Q: Two test charges are located in the x-y plane. If q -2.450 nC and is located at x = 0.00 m, y = 1.20...

A:

Q: what of the following a "free tall" ?  a) a ball that was thrown horizontally b) a ball that was t...

A: The free fall motion is any motion of a body where gravity is the only force acting upon it. Some ex...

Q: One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated w...

A: Given Data: The sealed house inside air pressure is: pi=1.02 atm=1.03×105 Pa The external air pressu...

Q: Velocity is which property?

A: There are two types of physical properties. Intensive physical properties Extensive physical proper...

Q: A football player is preparing to punt the ball down the field. He drops the ball from rest and it f...

A: Given, mass of the football, m = 420 g = 0.42 kg speed of the ball after kick, v = 24.5 ms at 53°

Q: If R is the total resistance of three resistors, connected in parallel, with resistances R,, R2, R3,...

A:

Q: This force-couple system is to be replaced by an equivalent system consisting of the following: a co...

A:

Q: An electron is released from rest in a uniform electric field. The electron accelerates vertically u...

A: Yes. We can ignore the effects of gravity here. Given: Distance travelled by the electron, d = 4.5m ...

Q: Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical, as show...

A:

Q: A traveling wave is represented by the function: y(x, t) = 0.010 m sin (1.5 m x - 3.0 s t) Find the ...

A:

Q: A 30-kg rock of density 2 400 kg/m3 is immersed in a lake and must be removed from near a boat dock....

A: Given data: The mass of rock is m=30 kg. The density of rock is ρ=2400 kg/m3.

Q: Problem: A physicist has a device which produces a steady stream of identical charged particles with...

A: Given that:m=9.0×10-7 kgE=5000 N/C downwardThe beam travels perfectly straight

Q: projectile is launched with speed v0 at an angle ?0 above the horizon. Its motion is described in te...

A: Motion of projectile can be divided into x component and y component. 

Q: In general, larger wavelengths tend to diffract more than smaller wavelengths.   True  False

A:

Q: Complete the table below by identifying the effects on resistance and effects on current flow of the...

A:

Q: In general, larger wavelengths tend to diffract more than smaller wavelengths

A: The amount of diffraction depends on the wavelength of light, with shorter wavelengths being diffrac...

Q: Doctor Martinez drive his car everyday and travel 40km to the left from his house to the hospital. B...

A: From given information , we can say that the distance between Doctor Martinez house and his house is...

Q: The bellows of an adjustable camera can be extended so that the largest distance from the lens to th...

A: focal length of the lens (f) = 5.23 cm distance between Lens to the film = 1.25 times the focal leng...

Q: A 50 N book is sitting flat on a table . The surface area of the book is 0.057m ^ 2 . What is the pr...

A:

Q: 3.Two particles A and B are released from rest, having equal charges of-8 x 10-6 C ad initially sepa...

A:

Q: An armature conductor 12cm long moves right angle to the magnetic flux of 1.20  Tesla and carrying 5...

A:

Q: 1) When representing a velocity vector,  A. The length of the arrow represents the speed of the vect...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: 23. The radius of gyration of a uniform thin spherical shell of radiusRabout an axis tangent to the ...

A: Let the mass of thin shell = M Let the radius of shell = R Let the radius of gyration of shell about...

Q: What is the speed of a wave with frequency 550 Hz and wavelength 0.5 m?

A:   frequency (f) =550 Hz  wavelength (λ) = 0.5 m? 

Q: Energy is measured in units of

A:

Q: Part A How much charge flows from each terminal of a 16.0-V battery when it is connected to a 5.90 µ...

A:

Q: Consider the circuit diagram given below. where V1 = 8.50 V and V2 = 5.00 V. Find the unknown resi...

A:

Q: Vector a has magnitude 1/√3, vector b has magnitude 4, the angle between a and b is 60° and n is the...

A:

Q: Required information Consider the circuit diagram given below. R 195 mA R 2.00 a 누 82 450.0 mA 1.00 ...

A: Given:

Q: The box has a mass m = 11.2 kg and was lowered a height h = 41.7 cm. While the box was moving, the g...

A: Given: m = 11.2 kg h = 41.7 cm = 0.417 m

Q: A lightly damped harmonic oscillator, with a damping force proportional to its speed, is oscillating...

A:

Q: 1. A drift car racer rides off the edge of a clff. Just at the edge of the cliff, his velocity is ho...

A: Initial velocity (u) = 8.0 ms , in horizontal direction t = 0.6 seconds    

Q: ate the torque supplied by the wrench when an 8 n in the figure: BN

A:

Q: If a = (-2, 1, 1), b = (2, 1, 1) and c = a × b, what is the magnitude of c?

A:

Q: 3. In the circuit of the figure shown, ɛ = 1.2 kV, C = 6.5 µF, R1 = R2 = R3 = 0.73 MO. With C comple...

A: Given that:- E=1.2kV

Q: Problem 1 A piece of material with a square cross-section measuring 1 mm on each side has a length o...

A: Given data: The side of square piece is a=1 mm. The length of piece is L=1 m. The applied voltage is...

Q: hree point charges are shown below. q1 = 5.57 μC, q2 = 3.95 μC, and q3 = -12.4 μC. d1 = 5.00 cm and ...

A: Given: q1 = 5.57 μC q2 = 3.95 μC q3 = -12.4 μC. d1 = 5.00 cm and d2 = 3.00 cm.  

Q: What does the lines indicate in the electric field? Which field is stronger? Why? Peint charge

A: In both of the figure electric field lines are  originating  from positive point charge and these fi...

Q: If this point is along the axis of the dipole nearer the positive charge. Calculate the electric pot...

A:

Q: Two small celestial bodies are sitting 100 miles apart. If they are somehow moved so that they are n...

A: Ques: Two small celestial bodies are sitting 100 miles apart. If they are somehow moved so that they...

Q: Consider the problem of hammering a nail into a board.  With due regard for your hand holding the na...

A:

Q: What is the change in the internal energy of the system if 2000 J of heat leaves the system and 2500...

A: Given 2000 J of heat leaves system. 2500J work is done on system. Find change in internal energy?

Q: Point charge q = 13 nC is located at (0, 0). What is the electric potential at point P (-3.0 m, 0), ...

A: Given: q = 13 nC = 13*10-9 C location of charge: A (0,0) location of point P: B (-3m , 0)

Q: How much work is needed to move a 0.145 C charge from c to b, in Joules?

A:

Q: 2. The resultant of three concurrent forces is 90.00 lbs 34°N of W. If two of these three forces are...

A:

Q: A truck at a constant speed of 60 m/s covers one revolution around a circular road in 50 seconds. (a...

A:

Q: A parallel plate air capacitor has a capacitance of 5.00 F. What is the capacitance if a dielectric ...

A: The capacitance of the parallel plate capacitor is given as                            Co = ∈oAd Whe...

Q: Calix whose mass is 56.2 kg is traveling at a speed of 12.8 m/s at the top of a 19.5-m high roller c...

A: Given that                  calix's mass(m) = 56.2Kg                 Speed at the the top of the loo...

Projectile Motion