rocodile X and Y start to crawl at the same time at an equal speed from a hole to find food. crocodile X starts at 8 m NE; then goes 10 m 40o S of E; then felt something moving 9 m N from where it is and moves to it; while crocodile Y went straight from the hole to the moving thing. How far and in what direction did crocodile Y move to reach the moving thing? (Please give the vector illustration)

Q: What are the x and y components of a 50.0-N force, directed 36.9° south of east? +25.0 N and -25.0N ...

A:

Q: A 600-g piece of tin absorbs 1000 J of heat. By how much will its temperature change? (Ctin = 227 J/...

A: Mass ( m )  = 600 gram = 0.6 kg  Energy ( Q ) = 1000 J  Specific heat capacity ( c ) = 227 J/kg K   

Q: Each of the seeds being blown off the head of a dandelion has a feathery structure called a pappus. ...

A: If a body is moving a a constant speed, it means that the net force acting on the body is zero. Acce...

Q: A long, straight conductor carries a current of 200 A. At what distance from the conductor is the ma...

A: Average value of earth magnetic field = 40 micro Tesla  = 40 × 10-6 T   But it may vary from place t...

Q: and

A:

Q: A 100 kg man balances a boy with mass of 25 kg on a teeter-totter,If the man is at 2 meters from the...

A: We equate the moments created by them on either side of the teeter-totter to find the boy's distance...

Q: 1. Two point charges are located on the x-axis as shown, a +2 µC charge at x = -5 cm, and a - 2µC ch...

A: first charge = +2 μC at x = -5 cm second charge = -2μC at x = +5 cm third charge = +2 nC at y = +5 c...

Q: If you go out to look at the night sky tonight from central Iowa, the North Star (aka Polaris) is lo...

A:

Q: Problem 12: A horizontal force, F1, and a force F2 acting at an angle of 0 to the horizontal, are ap...

A:

Q: What is the capacitance of a pair of circular plates with a radius of 8.0 cm separated by 3.1 mm of ...

A: Given Radius of plates r = 8 cm = 8 × 10-2 m Separation d = 3.1 mm = 3.1 × 10-3 m Dielectric constan...

Q: Water flows at 0.9 m/s from a hot water heater, through a 410 kPa pressure regulator. The pressure i...

A:

Q: have two questions: 1) I don't understand how the derivative of z2 is obtained? The derivative of z...

A: Derivatives of x^n is given by nx^(n-1)  So derivative of z^2 is given by  (d/dz)(z^2) = 2z  as per ...

Q: Review Conceptual Example 4 and Concept Simulation 21.1 at www.wiley.com/college/cutnell as backgrou...

A: According to the right hand rule, to find the direction of the magnetic force on a positive moving c...

Q: 6. A boy pulls a sled with a mass of 20 kg horizontally over a surface with a coefficient of sliding...

A:

Q: PROBLEM 3: The coefficients of friction between the block and the rail are µ̟ and µz. Determine the ...

A:

Q: The unit of specific latent heat of vaporization is A Kelvin per kilogram Pascals per kilogram (c) J...

A: Ques: The unit of specific latent heat of vaporization is?

Q: why is the choice of ultrasound frequency used in medical imaging is a compromise between image reso...

A: The ultrasound frequency waves that is short wavelength always generate images of high axial resolut...

Q: B. Study the usage of breadboard in electronics. Given the symbol of resistor as difference (battery...

A: Aim: To draw the correct schematic diagram of each pictorial diagram. The schematic diagrams of each...

Q: Force vs. Elongation A B Elongation (m) 7. What physical quantity is represented by the slope of eac...

A:

Q: Problem 13: Two blocks are tied together with a massless string that does not stretch and connected ...

A: Given:

Q: An astronomer is observing a binary star that is 15 pc away. The two stars have an orbital separatio...

A:

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the fi...

A:

Q: c)A body of weight 20 N is suspended by two strings Sm and 12m long and other ends being fastened to...

A: Given data: The hanging weight is W=20 N. The length of strings are, a=5 m b=12 m The length of rod ...

Q: 20. You dip your finger into a pan of water twice each second, producing waves with crest that are s...

A:

Q: 2. Find the scalar products ( · B) and vector products (A x B) of the following: a) A =i+2j + k and ...

A:

Q: blem 10: Consider the block shown in the figure, which has a mass m and is sitting at amp making an ...

A: Since object is in rest so it must be in equilibrium hence net force acting on it must be zero and h...

Q: Suppose a rocket is at an elevation of 100 km and has an initial velocity of 1.00 x 10^4 m/s directe...

A: Given:initial velocity u = 1*104 m/s initial height h = 100 km = 1*105 m

Q: A drag racing car starts from rest at t = 0 and moves along a straight line with velocity given by v...

A:

Q: A drag racing car starts from rest at t = 0 and moves along a straight line with velocity given by v...

A: A drag car Start from rest at t=0 and moves along a straight line with velocity given by v=bt² We ha...

Q: A coil used to produce a magnetic field for an electron beam experiment has a radius of 15 cm and ha...

A: Given: The radius of the coil is 15 cm. The number of turns is 300. The strength of the magnetic fie...

Q: A 1,500 kilogram automobile from Pampanga moves at 30 meters per second to Baguio, What is the momen...

A: Given  Mass of automobile , M = 1500 kg  Velocity , v = 30 m/sec. Momentum is calculated as product ...

Q: Describe the different pressure measuring instruments?

A: Instruments used to measure and display pressure in an integral unit are called pressure meters or p...

Q: Why is the change in entropy negative? What does a negative change in entropy mean

A: Change in Entropy is negative 

Q: Part A An 1800 W arc welder is connected to a 660–Vme ac line. Calculate the peak voltage. Express y...

A: Peak voltage is the highest point or highest value of voltage for any voltage waveform. It is a powe...

Q: What are the x and y components of a 50.0-N force, directed 36.9° south of east? +25.0 N and -25.ON ...

A: given, Force = 50 N Angle = θ = 36.90 south of east

Q: A point mass m slides without friction from O = (0,0) to P = (a, b) on a curve C under the action of...

A:

Q: ow there is a 0.650 kg box at rest, suspended vertically from a light string with a ear mass density...

A: Given Mass hanging m = 0.65 kg Tension in the string T= mg = 0.65 × 9.8 = 6.37 N Linear mass density...

Q: What is the specific heat of a metal substance if 135 kJ of heat is needed to raise 5.1 kg of the me...

A:

Q: Part A A 100-W lightbulb has a resistance of about 12 N when cold (20 °C) and 136 N when on (hot). E...

A:

Q: 1. Distance to moon is about one quarter million miles, how much is that in km? m?

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: A hammer is dropped from the roof and takes 3.00 s to reach the ground. A wrench is also thrown vert...

A: Given: time taken by hammer to reach ground t1 = 3.0s time taken by wrench to reach ground t2 = 2.0s

Q: The angular momentum of a flywheel having a rotational inertia of .276 kg-m2 about its central axis ...

A: (a) τavg = Change in angular momentum/ change in time ∆L/∆t = (0.43 kg m2/s − 7.6 kg m2/s)/(4.9 s) ...

Q: Amel goes for a walk with a speed of 3kph. After 30 minutes of walk, his wife follows him. Walking 3...

A: Given:  speed of Amel vA=3Kphtime gap between Amel and his wife = 30min =0.5 hrdistance travel by wi...

Q: Five resistors are connected as shown in the diagram. The potential difference between poin A and B ...

A:

Q: (b) An object is placed 10 cm from a convex mirror of focal length 30 cm. (i) Calculate the image di...

A:

Q: An electrostatic force of 404 newtons is exerted of 20 coulomb at point P in an electric field. The ...

A: Given: Electrostatic force F=404 N, Charge q=20 C. Required: Electric field intensity E. The electro...

Q: A basketball player runs 7.00 m due north, then 5.00 m in a direction 300 north of west, and finally...

A: given A = 7 m, North          B = 5m, 300 North of west           C = 8 m , east

Q: A long, straight, vertical segment of wire traverses a magnetic field of magnitude 2.0 T in the dire...

A: Given in question: Magnetic field(B) = 2.0T                                 Length of wire(L) = 0.06...

Q: Consider a simple harmonic oscillator with spring constant 100 N/m, mass of 5 kg, and Total energy o...

A:

Q: given two vectors u 2i+3j+ 4k, v= 4i+3i-2k a. Calculate u v b. Calculate uxv

A:

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.