If five light bulbs are connected in series to an energy source and one of them burns out, the others:
Use the circuit below to answer the following questions. (7…
Use the circuit below to answer the following questions. (7 marks) (a) What is the potential difference across R1? (b) If 10 A flows out of the battery, what is the current through R1? (c) What is the resistance of R1? (d) What is the resistance of the 7 V load?
If a car accelerates from 15 m/s to 25 m/s, what amount of w…
If a car accelerates from 15 m/s to 25 m/s, what amount of work is done if the car has a mass of 800kg?
Electrical energy is supplied at the rate of 15 W for a time…
Electrical energy is supplied at the rate of 15 W for a time period of 5 hours to a light bulb that is rated as 75% efficiency. How much light energy is radiated by the bulb? (remember, there are 3600 s in 1 h)
Explain (with calculations) why a person with a weight of 50…
Explain (with calculations) why a person with a weight of 500 N gets punctured when resting on a single nail, but remains unharmed when lying on a bed of nails. Let the area of one nail be 0.00 005 m² and use a bed of about 2000 nails. (5 marks)
When area doubles for a constant applied force, the pressure…
When area doubles for a constant applied force, the pressure:
If two 100 Ω resistors are placed in series, their total res…
If two 100 Ω resistors are placed in series, their total resistance is:
Which 1914 case ruled that the Exclusionary Rule applies to…
Which 1914 case ruled that the Exclusionary Rule applies to federal law enforcement agents?
Which one the following is a useful way to utilize a police…
Which one the following is a useful way to utilize a police canine?
According to a California Highway Patrol study of 700 police…
According to a California Highway Patrol study of 700 police pursuits, a large percentage (44%)of people that fail to stop for a police officer do so because of unknown or miscellaneous reasons such as the driver being afraid of the police, disliking the police, or enjoying the excitement of the chase.