.Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I, R) = IR. Your measured current and resistance have the following values and uncertainties I = 5.1 Amps, delta I space equals space 0.3 Amps and R = 77.5 Ohms and delta R space equals space 0.4 Ohms. What is the uncertainty in the , delta V ? Units are not needed in your answer.
2.
Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance and time according to this function v(t, x) = x/t. Your measured distance and time have the following values and uncertainties x = 2.9 meters, delta x space equals space 0.3 meters and t = 4.4 seconds and delta t space equals space 1.8 seconds. What is the uncertainty in the average speed, delta v ? Units are not needed in your answer.
3.
Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I, R) = IR. Your measured current and resistance have the following values and uncertainties I = 9.8 Amps, delta I space equals space 0.5 Amps and R = 40.5 Ohms and delta R space equals space 0.2 Ohms. What is the uncertainty in the , delta V ? Units are not needed in your answer.
Answers: 1
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Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
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If the force applied to an object remains constant, is more power needed for the object to move faster ? explain
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Physics, 22.06.2019 09:50
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
Answers: 1
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
.Find the uncertainty in a calculated electrical potential difference from the measurements of curre...
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