You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.191 seconds to pass the length of the meter stick, how high ho above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down? ho = m
Q: Q1 The electric and magnetic fields satisfy Maxwell's equations in the free space, if the magnetic…
A: Given, The magnetic field intensity H→=10sin2×106t+5xayA/m
Q: There are two different groups, A and B, of bulbs for the Christmas tree. Only incandescent bulbs…
A: Given, There are 2 different groups of bulbs in a Christmas tree. ie, Group A and Group B. For…
Q: Q3) How much work (in MeV) must be done to increase the speed of an electron from 1.2x10 m/s to…
A:
Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…
A: Given that-Voltage, V= 75 mV=75×10-3 VoltCurrent, I= 0.2 mA=0.2×10-3 AWhere,Power, P= IV Equation…
Q: F1 = 87 KN F2 = 34 KN F3 = 91 kN 01 = 15⁰ 02 = 11⁰ 03 = 20⁰ 04 = 43⁰ L NOT TO BE UPLOADED OR SHARED…
A:
Q: What is the power of a 1.00×10² MV lightning boit having a current of 2.00 × 104 A?
A: Given that-Voltage, V= 1.00×102 MV=1.00×102×106 VoltCurrent, I= 2.00×104 APower, P= VI
Q: The magnetic field generated at a point P by a moving (non-relativistic) charge it does not depend…
A:
Q: A 60 W light bulb, a 120 W light bulb and a 240 W light bulb are connected in parallel to a 120 V…
A: We have given three bulb having power of 60W, 120W and 240 W respectively. They are connected in…
Q: " If the equation of the transverse wave is, t X [0.04- 4 where distance is in cm I 0.04 40 y = 5…
A: We have to compute here-Wavelength of a wave (λ)=?Given that-Eqaution of wave is given as-Y=5 sin…
Q: S3
A: Let assume,emf of the cell is 'E'Internal resistance of the cell is 'r'We know that-Current,…
Q: The energy arriving in 4 seconds on a detector having a surface of 2 m², and which is arranged…
A:
Q: 6 What should be lension applied to a cuire of lingth 75cm & mass & geam if it rubralie with a…
A: We need to compute- Tension to be applied to a wire (T)=? Given that- Length of the wire (L)=75…
Q: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…
A: Given: The value of emf is 8 V. The current changes at the rate of 32 A/sec. To…
Q: The magnetic flux through a loop of resistance 0.12 is varying according to the relation = 6t² +7t +…
A:
Q: • In biprism experiment, the eye piece is placed at a distance of 1.2 meter from the sources. The…
A:
Q: Determine the resultant of the concurrent forces shown in the figure using the graphical method…
A: In the given problem, three force vectors start from the same origin. In order find the resultant of…
Q: . At what distance is the K.E. of a particle performing S.H.M. of amplitude 10 cm, three times its…
A:
Q: The type of circuits shown in figure is +10V V. OV -10V O O O 0 o (A) (C) R www Ideal diodes 1.0 k…
A: Semiconductors are the materials whose conductivity is in between conductors and insulators. A pn…
Q: Q3) How much work (in MeV) must be done to increase the speed of an electron from 1.2x10 m/s to…
A: Solution:-Given thatelectronInitial speed (u)=1.2×108 m/sFinal speed (v)=2.4X108 m/s
Q: 3. A 290 µF capacitor is charged by a 15 V battery. While remaining on the battery, a layer of…
A: Note- Since you have posted a question with a multiple sub parts, we will solve first three sub -…
Q: S3
A: We have-Applied voltage, V= 120 V Total resistance, R= 300 kΩ= 3×105 ΩWe know that-I=VRthen, I=120…
Q: Calculate the capacity of a condenser charged to a potential of 300 V, if the energy stored in the…
A: We need to find-Capacitance of a condenser (C)=?Given that-Potential of a condenser (V)=300 VEnergy…
Q: A 72 Ohm Coil of Wire Is Connected in Series with An Adjustable Resistor (rheostat) Whose Resistance…
A: Given that-Resistance, R= 72 ohmVoltage, V= 115 VoltPower, P= 90 WattWe know that-Power of the coil,…
Q: The y-component of the force F which a person exerts on the handle of the box wrench is known to be…
A:
Q: The amplitude of the Poynting vector of a plane electromagnetic wave has an average value of…
A:
Q: As preparation for this problem, consult Concept Simulation 1.1. On a safari, a team of naturalists…
A: Solution:-Given thatActual; 6.44 km and 43.4o north of eastmisread; 1.66 km and 20.9o north of east
Q: #4
A: Given that-Potential difference, V= 12 VoltInitial Charge= 120AhPower, P= 100 Watt't' is the time.We…
Q: D6
A: Given that-N= 330d= 1.0 mm=1×10-3 mR= 17 cm=17×10-2 mρ= 1.69×10-8 ohm-mWe know that-Resistance of…
Q: wo coaxial cylinders, infinitely long, of radii a and b, respectively, have homogeneous charge…
A: Given:there are two coaxial cylinders,cylinder 1radius, avolume charge density, ρcylinder 2radius, b…
Q: Two sound waves. of wavelength 87cm of 88.5 com respectively produce. 10 beats (see Find velocity of…
A: We have to compute-Velocity of sound (V)=?The provided data-λ1=87 cmλ2=88.5 cmn1-n2=10As λ2 >…
Q: Deg
A: Given that-Number of turns, N= 520Area, A= 0.80 m2Uniform Magnetic field, B= 0.40 TResistance of…
Q: A spring is pulled to 12 cm and held in place with a force of 450 N. what is the spring constant of…
A:
Q: A flow of 50 m3/s of air exits a manufacturing facility, containing particles whose drift ve m/s.…
A: Given: The speed of the air 50 m3s, The drift velocity of the particles is 0.121 ms The efficiency…
Q: What is the period of a simple pendulum consisting of a ball suspended from a 2.8 m string? a. 11.75…
A: put known values in T⇒T=2π×2.8 m9.8 m/s2= 3.358 sec≈3.6 secAnswer:- Hence, option 'b' is the correct…
Q: A foam cup is filled with a hot water and allowed to cool while being stirred by a paddlewheel.…
A: Given, Initially internal energy, Ui=200kJ Heat loss, Q=-150kJ The negative sign shows here that the…
Q: Find the current through a person and identify the likely effect on her if she touches a 120-V AC…
A: We have-Applied voltage, V= 120 V Total resistance, R= 300 kΩ= 3×105 ΩWe know that-I=VRthen, I=120…
Q: In vacuum, red light has a wavelength of 700 nm and purple light has a wavelength of 400 nm. This…
A: Hey dear i have found the frequency for both . Have a look
Q: A double-slit experiment with d = 0.025 mm and L = 75cm uses 550-nm light. Find the spacing between…
A: A double slit experiment consists of creating an interference pattern on a screen from two closely…
Q: Two students are conducting an experiment in which they are trying to find a relationship between…
A: In the given problem, the students are using a an inclined ramp, to find the speed of the car as it…
Q: The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are…
A: Given that-Resistance, R= 2ΩPotential difference across the resistor, V= 20 VoltWe know the relation…
Q: A rectangular coil has a cross-sectional area of 30 cm2 and 50 turns. If the coil rotates at 60…
A: When there is relative motion between coil and magnet an emf is induced. This can be stated as that…
Q: Question 3: A ball is dropped from a certain height. It took the ball 15 seconds to reach the…
A: Given data, Ball is dropped so initial velocity u = 0 m/s Time t = 15 sec Acceleration due to…
Q: Two condenser each of capacity 5 µF and a battery of e.m.f. 180 V are given to you. Which…
A: We have to find here- (i) Combination of condensers that will gives maximum energy=? (ii) Value of…
Q: Do it asap
A: Given that :Power of radio transmitter : P= 500 kW= 500×103 WattFrequency of emitted photon= 760…
Q: period of a simples pendulum, defined as the time necessary for one complete oscillation l, is…
A: Given:- The period of a simple pendulum, T = 2πlg
Q: A bicyclist in the Tour de France has a speed of 28.0 miles per hour (mi/h) on a flat section of the…
A: The conversion from miles per hour to kilometers per hour is 1 mile=1.6 km1 mi/h=1.6 km/h The…
Q: To illustrate the tremendous pressure that exists deep underground where granite bodies are…
A:
Q: A double-slit experiment has slit spacing 0.12 mm. What should be the slit-to-screen distance L if…
A: In a double-slit experiment, light waves are passed through two closely placed slits. This causes…
Q: Two metal spheres, equal and very small compared to their distance, are supported by two insulating…
A: Hint: After the comeback of two spheres the charges on two sphere with redistribute into the two…
Q: a.) two balloons (m = 0.023 kg) are separated by a distance of d = 14m. they are released from rest…
A: Concept: Given that there are two balloons of mass 0.023 kg kept at a distance of d=14 m. They are…
Step by step
Solved in 4 steps