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For the circuit shown in fig. Both voltmeter and ammeter are idealized, the battery has no appreciable internal resistance, and the ammeter reads 5 A.
a. What does the voltmeter V read?.
b. What is the total current I of the circuit?.
c. What is the total voltage of the battery?
d. What is the total resistance R of the circuit?
25.022
A
15.02
MW
45.012
15.022
10.022
35.022 V = ?
Determine the work done by a force
F--> = xy î+ yz ĵ+ xzk̂
in taking a particle along
the path defined by the equation
r(t) = tî + 2t²ĵ + t³k̂e from t=0 to t=1 . Is force conservative?
A meteor is moving at a speed of 100ms^-1 towards mars is detected at a height of 20.7 m from its surface . The meteor reaches the surface after 2 seconds . What is the gravitational acceleration of mars?
Using Gauss’ theorem, calculate the flux of the vector field A--> = x³î + x²zĵ + yzk̂
through the surface of a cube of side 2 units.
What is the equation of coriolis theorem
A force of 6 N is applied and the spring is stretched by 60 mm. What is its elastic force if we stretch the spring by 4 cm?Construction requires glass with dimensions of 5 x 2 x 0.02 dm and a density of 2500 kg / m3. What is the weight of this glass?a force of 120 N, 110 N and 300 N is applied to the moving vehicle in one line and in one direction. Determine their representative.A package of mass 200 kg is pulled with a force of 350 N. How far did he move if 195 J work was done while pulling him?Based on the reaction below, how many grams of iron can be melted by adding 41.40 kJ of energy?
Fe (s) → Fe (l) ΔHfus = + 13.80 kJ mol-1
The specific heat capacity of iron is 500 J kg-1 K-1. The quantity of heat required to raise the temperature of 500 g of iron by 2 ºC is:
Two positively charged particles each having charge 20 nC, are kept at a distance
of 2.0 m from each other. Determine the electric field due to each charge. Show
the electric field vectors on an appropriate diagram.
A cylindrical rod of length 2.0 m and cross-sectional area 8.0 × 10–5 m2 is made of hard steel. The rod is placed under a tensile stress of 200 MPa.
Which one of the following is the best estimate of the force that must be applied to this hard steel rod to provide this stress?
