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need help with all these problems please 2. An iceskater is turning at a PERIOD of...
Open with Physics 1214, General Physics -I, Fall 2019 Recitation Problems 9- Chapters 9, 10, 12, 11 PROBLEMS: SHOW ALL WORK, not just the answers 1. From a stationary position at 0-0, a bicycle wheel accelerates with a constant angular acceleration of a = 10.0 s a) What is its angular velocity o after 5 s? b) What is its angular position 0 at that time? 2. An iceskater is turning at a PERIOD of (1/3) second with his arms...
An unbelievably LOUD car alarm at 4:12 AM at the intersection of Jewel Avenue and 150th Street sends out a pure tone at 400 s-1. The speed of sound is 343 m/s. What frequency is heard from: a) a car racing TOWARD it at 50 m/s (112 mph) b) a car racing AWAY from it at 50 m/s (112 mph)
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
i need help with all parts of the question Question Part 1 2 The flywheel in a car is a solid cylinder with a mass of 95 kg, a radius of 10 cm, and a length of 5.0 cm. It is rotating about an axis through its center (Table 11.2 (c)) at 5000 rpm (revolutions per minute). (a) What is the kinetic energy of the cylinder? J (b) Suppose that all this rotational kinetic energy could be transformed into translational...
please guys this is one question with 2
parts.
A student sits on a freely rotating stool holding two dumbbells, each of mass 3.05 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1.07 m from the axis of rotation and the student rotates with an angular speed of 0.740 rad's. The moment of inertia of the student plus stool is 2.57 kg: m2 and is assumed to be constant. The student pulls the...
Experiment 2: Rotational KE and Moment of Inertia Data. Please help
with Last Trial
Experiment Il: Rotational KE and Moment of Inertia Data Radius of step-pulley groove: r = _ 0.02 Rod: L = 0.25m Mw=_30 8 = 0.16 Average mass of brass weights: Mr = _50 Mass of falling body: M = 40 8 m 0000003 Wahl APE -m /s IR rad Diff % m g ΔΚΕ, g.m/s Bom rad/s rad/s 0.12.0024 .9408 0.05 .4 0.18 .0036 1.4112 0.10...
ECE Review Worksheet 1 AP Physics Mr. Marrash 1. A space traveler weighs 980 N on Earth. What will the traveler weight on another planet whose radius is 3 times that of the Earth and whose mass is also 9 times that of the Earth. Do not use any numerical values of the universal gravitational constant G, the mass of Earth, or the radius of Earth to get your answer. 2. Two skaters, a man and a woman, are standing...