The heating element of tumble dryer is rated at 3.5 kW when connected to a 230...
Q26.4: The heating element of a hair dryer dissipates 1500 W when connected to a 150 V outlet. You may want to review (Pages 841 - 843) . What is its resistance? Express your answer to two significant figures and include the appropriate units.
Exercise 31.13 - Enhanced - with Feedback You have a resistor of resistance 1902, an inductor of inductance 0.450 H, a capacitor of capacitance 6.40 pF and a voltage source that has a voltage amplitude of 26.0 V and an angular frequency of 300 rad/s. The resistor, inductor, capacitor, and voltage source are connected to form an L-R-C series circuit. Part A What is the impedance of the circuit? Express your answer in ohms. VOI ΑΣΦ FR ? Z= 12...
Problem 14.26 A 507 g mass oscillates with an amplitude of 120 cm on a spring whose spring constant is 24.0 N/m Determine the period Express your answer in seconds. Η ΑΣΦ E ? TE Submit Request AS Part B Determine the maximum speed Express your answer in meters per second. ΠΡΟ ΑΣφ GO ma Part C Determine the total energy Express your answer in joules. VO AE 2 WE total Submit Request Answer
Ball 1, with a mass of 120 g and traveling at 13 m/s, collides head on with ball 2, which has a mass of 330 g and is initially at rest. What is the final velocity of the ball 1 if the collision is perfectly elastic? Express your answer in meters per second. vo ΑΣΦ ? (viz)1 = m/s Submit Request Answer Part B What is the final velocity of the ball 2 if the collision is perfectly elastic? CA...
Two initially stationary objects (mı = 5kg, m2 = 4kg) are connected as shown in the figure. There is only friction on the inclined plane and an external force of F = 40N applies to the object of mass m2. If the pulley is massless and frictionless, and the system is released; (Figure 1) Part A Find the frictional force acting on m2. Express your answer using three significant figures. ΟΙ ΑΣφ an ? fe = N Submit Request Answer...
a b and c please Att -0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 25.0 rad/s until a circuit breaker trips at time t = 1.70 s. From then on, it turns through an angle 438 rad as it coasts to a stop at constant angular acceleration Part A Through what total angle did the wheel turn between t = 0 and the time it stopped? Express your answer in...
The bracket is shown in (Figure 1). Assume that 1 = 50 mm, a = 180 mm, t = 4 mm, h = 45 mm, F = 950 N, ID = 30 mm, OD = 50 mm. Assume a ductile material strength of Sy = 400 MPa (60 kpsi). Part A Calculate the safety factor at point A using the distortion-energy theory. Express your answer to three significant figures. VALOIT vec ? NDE A Submit Request Answer Figure 1 of...
The triangular current pulse shown in (Figure 1) is applied to a 20 mH inductor. Use the passive sign convention. O AEQ If vec ? y = Submit Request Answer Part F Derive the expression for the inductor voltage in the interval 0 <t<5 ms. Suppose that t is in seconds. Express your answer in volts in terms of t. TIVI AS01 1. vec ? Submit Request Answer Figure < 1 of 1 > Part G the interval ms <t<10...
A spherical capacitor contains a charge of 3.40 nC when connected to a potential difference of 200.0 V. Its plates are separated by vacuum and the inner radius of the outer shell is 5.00 cm. Part A For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A spherical capacitor. Calculate the capacitance. Express your answer in picofarads. IVO ASO ? C = pF Submit Previous Answers Request Answer X Incorrect; Try Again; 29...
A 6.00-m length of 2.2-mm-diameter wire carries a 810 mA current when 23.0 mV is applied to its ends. Determine the resistivity p. Express your answer to two significant figures and include the appropriate units. HÄ ? u 2 % Å p= Value Units The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again. Submit Previous Answers Request Answer Part C If the drift speed is 1.8 x 10 m/s, determine the...