5. A 45 kg student rides his 4.0 kg bicycle, exerting an applied force of 325 N[E]. (a) Calculate the acceleration of the cyclist if frictional resistance sums to 50.0 N[W]. (b) How far will the student have travelled if he started with a velocity of 3.0 m/s[E] and accelerated for 8.0 s?

Q: We may generalize the semi-classical Bohr-Sommerfcld relation f.. P. dr = (n + 1/2) h, (where the in...

A:

Q: Three charged artio ted t the comers of an equater triangle shewn in the figure belo (ete3.00 and 91...

A:

Q: 2/a/ Two parallel plates AB are insulated by vacuum with a distance of 5 cm between them. An acceler...

A: Given data VP=400 Vd=0.05 m Here Vp is the potential difference between the plates. While d is the d...

Q: A copper bar 90 cm long is perpendicular to a field of 0.75 Wb/m2 and moves at right angles to the f...

A: Given that:-Length of rod, l=90 cm=0.90 mSpeed, v=250 mm/sMagnetic field when perpendicular to each ...

Q: Q5. As shown in the image below, the freight cars A and Bare approaching each other, and they have a...

A: Given: The mass of the freight car A is mA = 19000 kg The mass of the freight car A is mB = 12000 kg...

Q: Speed of electron passing an undeviated through a region of cross electric and magnetic fields of ma...

A: We have to find here- Speed of an electron (V)=? Provided data is- Intensity of electric field E=4×1...

Q: Ex. 8 : In a velocity selector, the intensity of electric field is 2 x 104 V/m and the strength of m...

A: To find-Speed of charged particle (V)=?Given-Intensity of electric field (E)=2×104 V/mMagnetic field...

Q: A light bulb has a resistance of 200 2. It is connected to a power source of 100 V. Find the current...

A: Given that:- Resistance R = 200 Ohms and the voltage supply is V = 100 V According to the ohms law, ...

Q: 2. In a game of table top air hockey in Timezone, two kids decided to play with the paddle and puck....

A: Co-efficient of restitution (e) is the ratio of total velocity after collision and total velocity be...

Q: Why is earthing and bonding of electrical installations necessary? Explain the difference between th...

A: Electric installation process is necessary to combine all the electrical equipment with each other. ...

Q: 18. An electron in a hydrogen atom is in the energy eigenstate 2,1.-1(r, 0, 0) = N re™r/2a0Y,¯' (0,4...

A:

Q: A029 kg length of aluminum wire is warmed 15.PC by an electric current. How much heat was generated ...

A: Given: m=0.29kg, ∆T=11.5°C, cAl=0.22kcal/kgC° The heat generated by the current in the aluminum wire...

Q: Ultraviolet light of wavelength 250 nm falls on the metal emitter of a photocell. If the stopping po...

A:

Q: The heart does about 1 Joule of work while pumping blood into the aorta during each heartbeat. a. Es...

A:      Using:                             work done per second = number of heartbeats × power We use g...

Q: Imaghetic flux density in all of space is given by B = (72)a, + (7z'y - 3z*)n, + (-(y + 7=+ 7z°e) )a...

A: Given magnetic flux density in space B=(7x)ax+(7x2y-3x2)ay+-(y+7z+7x2)azWb/m2...(i) Assume S denotes...

Q: i need to know how they got the value of 52.89 from the eqaution

A: Given Data : Y = 1.12 a = 0.1 mm = 10-1 mm  K1c = 1.05MPa.m0.5 To Find :  Part (b) how to get the va...

Q: A golf ball is launched with the initial conditions shown in the figure. Determine the radius of cur...

A: Given: u=154mi/hr=226ft/s, θ=12°  The velocity of the golf ball at the apex (highest point) is only ...

Q: For A= e* sin y i-e*cos y j, calculate the divergence of А. O a. 2 O b. 0 O c. 5 O d. 3

A: Given that:A=e-xsiny i-e-xcosy j  

Q: Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 20.0 m/s. Both s...

A: Case-01 the first eagle is the source and the second eagle is the observer. Both the observer and th...

Q: (a) the amplitude, wavelength, wave velocity ane frequency of the wave, (b) the phase difference bet...

A: (a)  The displacement of the particle is given as  y=0.01 sin2π2t-0.01x y=0.01 sin4πt-0.02πx ..........

Q: After a certain nuclear reaction, radioactive sodium is found with half life of 14.8 hrs. compute th...

A: To find- λ=?Given-(T) of Na=14.8 hrs

Q: Photoelectric threshold wave-length of Tungsten is 2730 A . Calculate its work function in electron ...

A: Given: Photoelectric threshold wavelength of tungsten, λ=2730 Ao To find: Work function  

Q: Consider elastıc Coulomb scattering of "O from gold at E, = 10 MeV/nucleon. At which c m angie and w...

A:

Q: A diffraction grating produces an angular separation of 0.01 rad between two wavelengths observed at...

A:

Q: Eine Feder mit einer Federkonstante von k- 5100 kg/s? wird um die Strecke Ax = 17 cm gestaucht und a...

A: Hence the answer

Q: A 3.4 Hz continuous wave travels on a Slinky. If the wavelength is 0.63 m, what is the speed of wave...

A: We know that:-Speed of the wave, v=λf    Equation 1here, λ is the wavelengthf is the frequencyGiven ...

Q: not ? 2. Consider the curve o(t) = (t2 – 4t + 2, cos(t?), ' sin(t?)) for t e (0,1). (a) Find the wor...

A:

Q: The figure shows a spherical shell with uniform volume charge density p = 2.08 nC/m3, inner radius a...

A:

Q: 0. Many roller coasters use magnetic brakes to slow the train at the end of its run. A conducting pl...

A: a. Explain the principle behind this magnetic braking. b. The system needs an ordinary friction-base...

Q: Ex. 8 : In a velocity selector, the intensity of electric field is 2 × 104 V/m and the strength of m...

A: Here we have a very simple question. obviously when a charge particle moves with some velocity the c...

Q: The speed at which a wave propagates down a string is 300 meters per second. If the frequency of thi...

A:

Q: On = relative uncertainty = x 100 nM + tane; tan@ 180 OM (degrees) relative uncertainty of nM (%) n;...

A:

Q: 14) Find the reactions at A and B. 100 lb 75 lb 2 m 5m 4 m

A: Simple problem of reaction forces. Please have a good look (H: Horizontal, V vertical, R: reaction f...

Q: 3. A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10-2 What is the resisti...

A:

Q: An earthworm is an animal that lacks a firm skeleton and instead make Longitudinal and circular musc...

A: Given data l=1 cmd=1.2 cmE=3.812 kPaA=0.00152 cm2Fmax=7×106 dyne/cm2 Here, L is the length, d is the...

Q: A 52-turn coil with an area of (5.5*10^-3)(m^2) is dropped from a position where B= 0.00 T to a new ...

A: The average emf can be found out using faradays law of electromagnetic induction Emf, ε = -Ndϕdt N  ...

Q: The figure shows a resistor of resistance R = 6.09 N connected to an ideal battery of emf 8 = 12.9 V...

A: Given Resistance R = 6.09 Ω Battery EMF ε = 12.9 V Length l          = 20.7 cm = 0.207 m Radius r   ...

Q: If a white dwarf in a close binary accretes matter from its companion star, which of the following c...

A:

Q: .... Q1) The ball of 2m in the horizontal direction and the ball of m in the vertical direction stri...

A:

Q: A particle in a central potential has an orbital angular momentum l – 2h aud a spin s = lh. Find the...

A:

Q: 3. Six pulses are generated every 0.200 s in a tank of water. Determine the period and the frequency...

A: The frequency of a wave is defined as the no. of pulses generated in 1 second.  The no. of pulses ge...

Q: Calculate the speed of sound v in air using the formulav=VYRT/M, wherey=14, R=8.315 J/mol-K, M= 28.8...

A: We know that:- The speed of sound is directly proportional to the square root of temperature and inv...

Q: The neutral temperature for Cu Fe thermocouple is 270 °C. If the temperature of cold junction is 35 ...

A:

Q: Two radioactive substances A and B initially contain equal number of atoms. The half lives of A and ...

A:

Q: Activity 1.3 Table Summary Summarize your understanding about the Aristotelian and Galilean concepti...

A: To Explain the Aristotelian and Galilean conceptions of motion.

Q: Please answer both: The brightest star in the Pointers is α Centauri. It is actually a binary star,...

A: A human eye is in general have a 2.3 cm diameter. And the diameter can be increased or decreased dep...

Q: The figure shows a circuit of four resistors that are connected to a larger circuit. The graph below...

A: The electrical potential V(x) as a function of the position x. The given values are: VA=10.9 V, The...

Q: gram of caesuim (55 Cs) decays by B-emission with a half life of 30 years. (a) Name the resulting is...

A:

Q: A circuit is constructed with five resistors and a battery as shown. The values for the resistors ar...

A: Between a and b,  R3andR2are in series and R4 is in parallel to R2 and R3.  For two resistors in ser...

Q: A circuit is constructed with five resistors and a battery as shown. The battery voltage is V = 12 V...

A: