A projectile is shot straight upward from the Earth with a speed of 20 m/s. how high is the projectile when its speed is 8.0 m/s?

Q: The magnetic flux through a metal ring varies with time t according to PB = 3(at3 – bt²)T · m², with...

A: Given, resistance of coil is, R = 3Ω time interval, ti = 0s  to  tf=2s magnetic flux, ΦB=3at3-bt2T.m...

Q: Refer to the picture below.

A:

Q: I. -lR1 + I¼R2 – 1, R6 + E = 0 II. LR2 – I,R4 + I5R3 = 0 R3 III. LR, + I5R3 + I½Rs = 0 IV. -,R5 – IG...

A: if we apply KVL in the different branches of the circuit given the, we will get: -∈ +R6I1+R1I3+R2I4 ...

Q: A wire 60.0 cm long is held parallel to and 100 cm above a long wire carrying 200 A and resting on t...

A: Now as the second wire is falling the falling wire get induced emf in it given by, ε=BvL=(μ0I2πR)vL ...

Q: Problems 6-9 Information: A dog frolics rectilinearly with acceleration a(t) = 2sin(t) +9e3t + 3t +5...

A: a(t)=2sin(t)+9e3t+3t2+56.)at t=0.8sa(t)=2sin(t)+9e3t+3t2+5dog's acceleration at 0.8sa=2sin(0.8)+9e30...

Q: Uranium-235 (2U) undergoes a series of alpha and beta decays in this succession: a, 2B, 5a, 2B, and ...

A: Alpha Decay Alpha particle contains two protons and two neutrons, after an alpha emission the parent...

Q: Given the situation shown below, in which sphere 1 has charge q1 = 8 nC and sphere 2 has charge q2 =...

A: Total electrical flow is given by, ϕ=qencε0

Q: Please solve this question accurate, I'll appreciate and will rate it up thanks

A: Given that:∆E=5 MeVq1=2eq2=82e

Q: A person can generate about 300 W of power on a treadmill. The treadmill is inclined at 2.80∘ and an...

A: Solution: Given Values, Total power output(P1) = 300 W mass (m) = 85 kg Theta = 2.8 degree Speed(v) ...

Q: An armada of spaceships (at rest in frame A), of proper length Lo =1.10ly (ly is a unit of distance ...

A: The question contains 5 sub-parts. As per our policy, we will answer the first 3. Kindly resubmit yo...

Q: Two long straight aluminum wires, each of diameter 0.40 mm, carry the same current but in opposite d...

A: Given: d=0.40mm L=1m θ=4°ρ=2.7g/cm3g=9.8m/s2

Q: A conducting rod of length 40.0 cm is free to slide on two parallel conducting bars. A resistor R=5....

A: As per the given information in the problem,  A conducting bar of length L free to slide on the two ...

Q: The magnetic flux through a metal ring varies with time t according to Pg = 3(at3 – bt²)T · m², with...

A: The magnetic flux through the metal ring is  ϕB=3(at3-bt2) T.m2 The value of a is 3 s-3 and the valu...

Q: The electron of the doubly ionised lithium atom is in the first excited state. An incoming photon ex...

A: for doubly ionized lithium atom, Z =3 But we know that the energy of hydrogen atom in the ground sta...

Q: Problem 3 A ball of mass m, slides over a sliding inclined plane of mass M and angle a. Denote by X,...

A: 1. There is two degrees of freedom of the system.

Q: A student holds a vibrating tuning fork of frequency 440 Hz above an ain column with one end open an...

A: A) condition for one end free and one closed  for the first harmonic is: f=ν4L AND λ =4Ltherefore,f=...

Q: Here are the answers for the attached question. (a) 17.5 MeV per fusion; (b) 1.69 x 106 MJ/mol of He...

A: Given: The energy equation and the atomic masses are given.

Q: values [us] voltage (V] Wave A tt2 t3 ta ts te ty ta to t1o 9 18 27 36 45 54 63 72 81 90 Perform cal...

A: From the graph, we can easily identify the parameters as shown below:: 1. The peak value for voltage...

Q: V = {0, (0 s xsa, 0 s ysa) {00, other values of x and y Answer for the particle with mass m under th...

A:

Q: Could you explain parts e and f?

A: Given, d=0.50mmD=10 cmq0=9.0×10-8CdVdt=300 kVs

Q: The magnetic flux through a metal ring varies with time t according to 5(at3 – bt?)T m², with a = Pg...

A: Given that,The magnetic flux (φB) = 5 (at3 - bt2)  T.m2a = 1.00 s-3b = 6.00 s-2The resistance of the...

Q: 5. A planet of mass m is located on a line equidistant from two identical stars of mass M, located a...

A: (a) Consider the following diagram,

Q: (a) Calculate the moment of inertia of the ruler in the shown in the figure below with respect to th...

A: Moment of inertia is calculated by the formula: dI=dm.x2.......1Here dm=MLdxM-mass of the ruler, L-l...

Q: A rectangular loop of wire of sides W = 0.3 m and L = 0.7 m lying in xy plane carries a current of I...

A: Given that,The width of rectangular loop of wire (W) = 0.3 mThe length of rectangular loop of wire (...

Q: The activity of a sample of a radioisotope at some time is 10.7 mCi and 0.36 h later it is 7.80 mCi....

A: (a) using the nuclear decay equation: N =NOe-tt12--------------(1)given thatN = 7.80mCiNo =10.7mCit ...

Q: An infinite uniform linear load 15 nC / m, parallel to the x-axis and intersects the y-axis = -3 m, ...

A: As the line charge  15nC/m is infinitely laid out along the x axis, the symmetry of the situation di...

Q: A string that is stretched between fixed supports harmonics of 605 and 715 Hz, with one intermediate...

A: Given: The first harmonic has resonant frequency f1=605Hz. The third harmonic has resonant frequency...

Q: Plz solve

A: Solution:   As per the given data,    

Q: A metal rod 30 cm long expands by 0.075 cm when its temperature is raised from 0°C to 100°C. A rod o...

A: Solution:   Consider that the third rod to be made of fractions ‘’ and ‘’ of the original rods as fo...

Q: A 22-MHz clock signal is used into a 4-bit Ripple counter (Frequency division) circuit. What will be...

A: Given that:4-bit ripple counterf=22 MHz

Q: The figure shows the light intensity on a screen behind a double slit. The slit spacing is 0.220mm a...

A: When a monochromatic light of particular wavelength is passed through a double slit we observe alter...

Q: In a two lens system, imagine two converging lenses, 80 cm apart from one another. On the left side,...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: The activity of a sample of a radioisotope at some time is 10.7 mCi and 0.36 h later it is 7.80 mCi....

A: a)N=N0e-λt7.80=10.7e-λt0.72=e-λtln0.72=-λtλ=-ln0.72t=0.320.36×3600sec=2.4×10-4sec-1b)half timet1/2=l...

Q: Consider a rigid steel beam of length L = 13 m and mass mb = 383 kg resting on two supports, one at ...

A: The beam is uniform and hence its center of mass lies equidistant from ends A and B. The worker sitt...

Q: 1) Two charges of magnitude -Q and +4Q are located as in the figure below. At which position (A, B, ...

A: Let the distance between the two charges be d. Let the charge whose Electric field is zero is placed...

Q: Can you solve this?

A: The forces on the block are: For the block on the 45o incline, The normal forces are, N=mg cos45°=m...

Q: A double-slit interference pattern is created by two narrow slits spaced 0.190 mm apart. The distanc...

A: Part (a) Given: The distance between two slits is d=0.190 mm. The distance of screen from slits is ...

Q: A toy electric train moving at constant speed on a circular track that has a radius of 1.0 meter goe...

A: Given Radius (r) = 1.0 meter Time (t)    = 10 seconds

Q: Consider the long (L> b) cylindrical shell of inner radius a = R and outer radius b = 3R as shown in...

A: Given: The inner radius of the shell is a=R. The outer radius of the shell is b=2R. The uniformly di...

Q: B1. If you are to increase the electric potential of an equipotential surface,what should be done?a....

A: We can say An equipotential surface is defined as all the points are at the same electric potential,...

Q: A 0.500-kg metal rod carrying a current of 20.0 A glides on two horizontal rails 1.00 m apart. What ...

A: Given, Mass,m=0.500kgCurrent,I=20ALength,L=1mCoefficient of Kinetic Friction,μk=0.200Acceleration du...

Q: Full solution for the whole question please. Answers are: (a) 0.010v, (c) 0.010r/ v, (d) v2/r

A: An object P moving through a circular arc of radius r. It subtends an angle of 0.010 rad at the cent...

Q: 7. An armada of spaceships (at rest in frame A), of proper length L, =1.10ly (ly is a unit of distan...

A: Given, L0=1.10 lyv=0.600 cu'x=-0.750c

Q: A circular coil has a 10.0 cm radius and consists of 30 closely wound turns of wire. An externally p...

A: GIven data: radius=10(cm)=0.1(m) no. of wounds=30 External magnetic field=2.60(mT) current in the co...

Q: How much work is done against gravity in lifting a 3.0-kg object through a vertical distance of 40 c...

A: Work done= final energy-initial energy   initial energy = m*g*0=0    

Q: A 6-V battery is temporarily short-circuited. The short-circuit current isc is 30 A. What is the int...

A: Given Voltage (V)   = 6 V Current Isc = 30 A

Q: How I got this equation from Brnoli

A: Assume a tank filled with fluid up to a height h1 & denote the velocity of water at its free sur...

Q: part c

A: Given: v(t)=30sin(ωt)+50sin3ωt+10050sin5ωt

Q: For the below given voltage divider circuit of an enhancement type Mosfet solve for the following a)...

A: Replacing 6.8MΩ by equivalent thevenin voltage and resistance,Vth=24V×6.8MΩ6.8MΩ+10MΩVth=9.714VRth=6...

Q: A machinist bores a hole 2.000 cm in diameter in a brass plate at a temperature of 200 What is the d...

A: Now when there is a temperature change in a material it affects its length hence its volume and area...