Physics, 05.10.2019 05:30 calebhoover03
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. a steel rivet 1.870 cm in diameter is to be placed in a hole 1.868 cm in diameter in a metal at 25°c. to what temperature must the rivet be cooled if it is to fit in the hole? express your answer using two significant figures.
Answers: 2
Physics, 22.06.2019 05:00, hannahhoskings6989
Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
Answers: 1
Physics, 22.06.2019 12:30, promcafee8788
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
Physics, 22.06.2019 16:30, makaylahamrick
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is coo...
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