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You walk 30m south and 30m east. find the magnitude and direction of the resultant displacement both graphically and algebraically.
If an arbitrary load of relatively low resistance were connected to an existing power supply or voltage source, an excessive current might flow to the load, causing burn up or other malfunctions
A manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down using stainless steel bar stock. what change in the operation can be made so the m
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.15 10-3 g. The particle is initially moving perpendicular t
A person of mass 50 kg rides in a Ferris wheel of radius 20 m. The Ferris wheel completes a rotation once every 10 seconds. The motion of the Ferris wheel compartment is such that the person is alw
Imagine you are standing in front of standard mirror. In order for you to be able to see a full-length view of yourself, the minimum size for a plane mirror must be what fraction of your height? Ex
A child tosses a stick into a stream. The stick moves downstream at a rate of 1.5 m/s. How fast is the stick moving relative to the shore?
If a woman weighs 510 N on Earth, what would she weigh on Jupiter, where the acceleration of gravity is 26 m/s2?No words limits.
Spectroscopy is an important part of physics, chemistry, geology, astronomy and many other sciences. Explain what physical properties of a material can be determined from spectroscopy?
A medium carbon annealed steel rod has a rectangle cross section and must cope with tension of 3 tonnes. the thickness of the rod is 15mm. Calculate the size of the cross section.
A tiger leaps horizontally from a 7.5 meter high rock with a speed of 4.5 m/s. how far from the base of the rock does the tiger land?
And how would we improve this product? what would we change? how ould that impact the final product performance and cost ?The paper doesnt have to be formal, as long as it is informative and enough
A gamma ray of 2.75 MeV from 24Na undergoes pair production in a lead shield. a) How much kinetic energy (MeV) is shared by the two electron masses? a) How is it distributed among them?
True or False: CFLs make objects, people, and environments look gray and dull compared with how they look under incandescent light or natural daylight.
A randomized trial is conducted to evaluate the efficacy of a new cholesterol lowering medication. The primary outcome is incident coronary artery disease. Participants are free of coronary arter
A prospective cohort study is run to estimate the incidence of stroke in persons 55 years and older. all participants are free of stroke at study start. each participant is followed for maximum 5 ye
A student is moving a safe onto a platform. The student needs to push the safe 2.3 m Horizontally and then lift it 1.2 m to reach the platform.
A beam is balanced on a stand. If you place a 50-kg mass on one side at a distance of 2.0 m from the center, how far from the center would you place a 25-kg mass on the other side so that the system
A fighter plan flying at 378 m/s at an altitude of 160 m during a training mission releases a projectile when he starts climbing with a 15 degree nose up angle to the horizon.
To prove that the power delivered by the source is equal to the sum total of power dissipated by all of the resistors in the circuit.
Driving along an interstate highway at 55 mph, you see a car on a parallel highway coming toward you with a relative speed of 75 mph. The speed of that car over the ground is?
Two paths lead to the top of a big hill. One is steep and direct, while the other is twice as long but less steep. How much more potential energy would you gain taking the longer path?
Two Paths lead to the top of a big hill. One is steep and direct, while the other is twice as long but less steep. How much more potential energy would you gain taking the longer path?
The scientific method is used by scientists to understand the natural laws that the universe obeys. Scientists are not necessarily the only people who might use the scientific method.
Discuss and compare the principles of the Carnot cycle and the Brayton cycle as two different thermodynamic cycles. You should give detailed descriptions of the processes that take place in each cy