A skater is initially spinning at a rate of 25.0 rad/s with a rotational inertia of 3.00 kg-m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.60 kg-m??

Q: 3) A 2-kg ball is thrown straight down at 2 m/s from a height of 2 m and eventually hits a 3-kg ball…

A: Mass of first ball (m) = 2 kg Initial velocity of first ball (u) = 2 m/s downwards Height of first…

Q: In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm…

A: Given: In this question, the given details are, In lacrosse, a ball is thrown from a net on the end…

Q: Convert 4.35 miles to meters using the parenthesis method

A: The conversion of 4.35 miles to m is done with the help of standard conversion factors as,   1 mile…

Q: Find the work done in an isobaric process where the pressure starts at 3x105 Pa and the volume…

A:

Q: SOLVE FOR 1 RESULTANT RIN 3 $1.08\ R 5 N 36.15 - NEWTONS

A:

Q: Part 2 Archimedes Principle Rerecord the mass and weight of the brick in the table below and then…

A:

Q: Rail gun weapons are not only popular in video games, they are actually being developed by the Navy…

A: V = 9300 V R = 0.191 ohm M = 1.68 kg B = 1.38 T L =0.385 m d =4.38 m

Q: What are the (b) inductance and (c) flux through each turn when the current is increased to 6.55 mA?…

A:

Q: For the electron wave function shown in the figure, at what position or positions is the electron…

A:

Q: Determine the equivalent capacitance of if C1 = 200 mF and C2 = 900 mFare in series, and together…

A:

Q: Use the following constants if necessary. Coulomb constant, k=8.987×109N-m2/C2. Vacuum permittivity,…

A: Given,R1=2.2 kΩR2=2.2 kΩR3=1.1 kΩR4=2.2 kΩR5=22 kΩR6=1.1 kΩR7=11 kΩR8=2.2 kΩR9=2.2 kΩE1=5VE2=8V…

Q: Part A A 210 g toy car is placed on a narrow 66-cm-diameter track with wheel grooves that keep the…

A:

Q: Which one of the expressions is the correct form of Faraday's law in general?

A: Here option C states the Ampere's law ∮B.ds = μ0I So option C is incorrect. Also option A, B and E…

Q: A force P pulls on a crate of mass m that is in contact with a rough surface. The figure shows the…

A:

Q: 1. Consider the two vectors A = 3î - 2ĵ, and B = ĵ + 4k. A) Find the two corresponding unit vectors…

A:

Q: How did you get to 87.18 after you got 7600

A: Mass of aircraft (m) = 2500 kg  Kinetic energy of aircraft (k) = 9500000 Joules

Q: tan' X0.375

A:

Q: 11. A resistor with a colour strips: brown, black, red, gold will have a value of * O 100 Ohms O 1k…

A:

Q: A 54 mF capacitor is fully charged in a circuit with a 498 2 resistor and a 124 V battery. The…

A:

Q: what are these units Ban Why are they used

A: Basically Decibel (dB) is the unit of sound .

Q: 7. Write the correct reading of the micrometer screw gauge given in the figure. mpie 3" mark below 0…

A: Using figure 1 Zero error = -0.03 mm Negative because zero marking is above the datum line

Q: The main reason we install circuit breakers in homes and/or fuses in other circuits is to place…

A: The problem is based on the concept of basic ac and dc circuits or circuit design. A fuse or a…

Q: Part (a) Write an expression for the magnitude of six ball's velocity, in terms of the angles given…

A:

Q: A particular heat engine has a mechanical power output of 4.20 kW and an efficiency of 24.0%. The…

A: Given, Mechanical power output P0=4.20 kWefficiency η=24.0%E0=8.90×103 J

Q: A ball falls from height of 19.5 m, hits the floor, and rebounds vertically upward to height of 15.5…

A: See below

Q: For the series diode configuration of Figure B1, calculate Vp, VR and Ip. 10 V Si Vp R 1.5 k2 V…

A: VD  is the voltage required to switch on the silicon diode.  VD = 0.7V So the voltage drop across…

Q: CONVERSION OF UNITS Find how many square inches can fit in a circle given that its radius is 500mm.…

A: According to conversion formula,  10 mm=1 cm1 mm=0.1 cm1 in=2.54 cm1 cm=12.54 in

Q: FBD Flontiggegg Fg 业

A: Here,  we see that the egg is floating in water. This means that the gravitational force (Fg)…

Q: 1. The angle for a horizontally launched projectile Is 2. What is Aymax for a projectile launched…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: (a) Calculate the magnitude of the gravitational force exerted on a 486-kg satellite that is a…

A: Given  Mass of satellite m = 486 kg  Mass of earth M = 6×1024 kg  Radius of earth R = 6400 km = 6400…

Q: Continuing from Problem 1(b), but now consider V to be the entire space (R) and S is at the…

A:

Q: Sketch a model of Carbon-13 with a (-2) charge. - Include the number of protons, neutrons, and…

A: Carbon-13 is an isotope of carbon that contains 6 protons, 7 neutrons and 6 electrons. It has no…

Q: Find the magnitude of the electric field at the origin

A: Given: Charge q1=+4 mC located at point -2 m, 0 m Charge q2=+3 mC located at point 12 m, 0 m…

Q: please take in mind the 3rd significant digit

A: Two particles are fixed to an axis particle 1, q1= 2.73×10-8C      x= 16cm   q2= -5.76 q1   , x= 68…

Q: Scaffold: Answer the problem below The following Table plots the location of a racing car that…

A: Given, t(s) x(m) 0 0 0.25 0.11 0.50 0.56 0.75 1.16 1 2.04 1.5 4.62 2 8.65 2.5…

Q: For an series RLC circuit, the voltage of the circuit is given by Av= (200V) sin(500t) and R = 3000,…

A: Given that:-Voltage in an RLC curcuit, ∆V=V0Sinωtwhere, V0 is the peak voltageω is the angular…

Q: A3.80 mm diameter wire carries a 15.2 A current when the electric field is 8.60×10-2 V/m Part A What…

A: Let the radius of the cross-section of the wire, rarea of the cross-section of the wire 'A'Magnitude…

Q: The index of refraction is a dimensionless number greater than unity because is always less than .…

A: Index of refraction Refractive Index (Index of Refraction) is a value calculated from the ratio of…

Q: QUESTION 5 4. Two thin uniform rods with length L=1.0 m; the first rod has a mass 3m, and the second…

A:

Q: 1) A particle moves on a circle with displacement s=t5 – 10t in terms of feet measured along the…

A: given1) A particle moves on a circle with displacement S=t4 -10 t in terms of feet measured along…

Q: Briefly describe the discoveries that led astronomers in 2006 to create formal definitions of what…

A: The discoveries that led astronomers in 2006 to create formal definitions of what is a planet,…

Q: The rigid body of mass m shown in figure Q3 on page 4 has a circular base radius 4. Any section…

A: