Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations? A. 6,000 Hz B. 6,000,000 Hz C. 600,000 Hz D. 60 Hz
Updated 6/28/2019 8:13:28 AM
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Original conversation
User: Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations? A. 6,000 Hz B. 6,000,000 Hz C. 600,000 Hz D. 60 Hz

Weegy: 6000 Hz is within the range used by commercial radio broadcasting stations.

User: The grid in a triode is kept negatively charged to prevent… A. electrons from escaping from the tube containing the triode. B. electrons being repelled back to the cathode. C. the variations in voltage from getting too large. D. the electrons from being attracted to the grid instead of the anode.

Updated 6/28/2019 8:13:28 AM
Rating
8
The grid in a triode is kept negatively charged to prevent electrons from escaping from the tube containing the triode.

A 6.7 kg object moves with a velocity of 8 m/s. What's its kinetic energy? A. 167.5 J B. 214.4 J C. 53.6 J D. 26.8 J
Weegy: A 6.7 kg object moves with a velocity of 8 m/s. 214.4 J is its kinetic energy. Solution: K.E. = 1/2 * mv² K.E. = 1/2 * (6.7) * (8)² K.E. = 1/2 * 6.7 * 64 K.E. = 214.4 J (More)
Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. What are these two basic skills? A. Doing interviews and browsing through books B. Doing research and organizing your ideas C. Describing people and writing conversation D. Using the Internet and the online catalog
Updated 157 days ago|6/25/2020 11:00:07 AM
Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. These two basic skills are: Doing research and organizing your ideas.
Added 157 days ago|6/25/2020 11:00:07 AM
If a man has a mass of 83 kilograms on Earth, what will the force of gravity on his body be on the moon? A. 813.4 N B. 4,880.4 N C. 318.5 N D. 135.6 N
Updated 330 days ago|1/4/2020 12:07:01 PM
If a man has a mass of 83 kilograms on Earth, the force of gravity on his body be on the moon 135.6N.
force =mass*acc , 83 * 9.8/6= 813.4/6 = 135.6N
Added 330 days ago|1/4/2020 12:07:01 PM
The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? A. Fresnel, Fraunhofer, and Arago B. Davisson and Germer C. Newton D. Maxwell
Weegy: The work of Davisson and Germer helped to explain light's ability to propagate through a vacuum. User: Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors A. can be real or virtual depending on the object's placement. B. are located only by the mirror. C. are always going to be virtual. D. are always going to be displayed upright, not inverted. (More)
Updated 6/28/2019 8:23:32 AM

Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors can be real or virtual depending on the object's placement.

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