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You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. This enables you to drive at a comfortable speed of 69.5 mph for 1.70 hours. however, after this time, you unexpectedly come to a stop for 37.0 minutes. Traffic starts moving again and you finish your travel at 54.2 mph for an additional 0.95 hours. How far did you travel on this trip? What was your average speed? There are 1609 meters in one mile.
Planet-X has a mass of 4.25×1024 kg and a radius of 6050 km. What is the Second Cosmic Speed i.e. the minimum speed required for a satellite in order to break free permanently from the planet
An elevator moves downward in a tall building at a constant speed of 4.00 m/s. Estimate the highest floor from which the bolt can fall if the elevator reaches the ground floor before the bolt hits the top of the elevator
A dentist's drill starts from rest. After 3.5 seconds ofconstant angular acceleration, it turns at a rate of 2.51x10^4rev/min. Find the drill's angular acceleration
How does hydrogen bonding affect large molecules like proteins? What shapes do proteins take because of this effect?
Which of the following response(s) will lead to a null vector (?F=0)? Adding a force 2 blocks up and another force ?13 blocks at 33.7° up and to the left. Adding a force 2?2 blocks at 45° to the left and down and another force ?2 blocks at 45° to the..
A space traveller whose mass is 104kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no near planetary objects.
Calculate the average velocity
A 13.0 kg bucket of water of is suspendedby a rope wrapped around a pulley, which is just a solid cylinder0.300 m in diameter with mass 17.0 kg. The cylinder is pivoted on a frictionlessaxle through its center.
The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density of course, become less with altitude. But suppose the density of air were a constant 1.2 kg/m^3. Calculate where the top of the atmosphere would be.
the earth has an angular speed of 7.272middot10-5 rads in its rotation.find the new angular speed if an asteroid m
A car (m = 1,300 kg) is traveling at an initial speed of 12 m/s. It then slows to a stop over a distance of 78 m due to a force from the brakes. How much work is done on the car
Light shines through a single slit whose width is 5.8 x 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 4.3 mm. What is the wavelen..
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