Questions tagged 'Physics'
312 questions
Feb 12, 2025
A primary rainbow is brighter than a secondary rainbow because?
A primary rainbow appears brighter than a secondary rainbow for several reasons. Which of the following explanations is correct? a. The sunlight reaching it is more intense. b. There is one less refle...
A cyclist accelerates from rest at a rate of 1.00 m/s2. How fast will a point on the rim of the tire?
A cyclist accelerates from rest at a rate of 1.00 m/s². How fast will a point on the rim of the tire (diameter = 68 cm) at the top be moving after 1.1 seconds? Please note that at any moment, the lowe...
Feb 12, 2025
newton’s Law Question HELP 2!?
A highway curve with a radius of curvature of 100 meters is banked at an angle of 15°. a. Calculate the vehicle speed for which this curve is suitable if there is no friction between the road and the...
A crate is pulled with a force of 165 N at an angle 30 °
A crate is being pulled with a force of 165 N at an angle of 30 degrees. What is the horizontal component of the force acting on the crate?
A car starts from rest at a stop sign. It accelerates at 2.0 m/s^2 for 6.0 seconds, coasts for 2.0?
A car starts from rest at a stop sign. It accelerates at a rate of 2.0 m/s² for 6.0 seconds, coasts for 2.0 seconds, and then slows down at a rate of 1.5 m/s² until it reaches the next stop sign. How...
A jet of water squirts out horizontally from a hole near the bottom of the tank shown in the figure below. If?
A jet of water squirts out horizontally from a hole near the bottom of the tank illustrated in the figure below. If the hole has a diameter of 3.20 mm, what is the height (h) of the water level in the...
Feb 08, 2025
A spring has a spring stiffness constant k of 70.0N/m .?
What compression is required for a spring with a stiffness constant (k) of 70.0 N/m to store 50.0 J of potential energy?
Feb 08, 2025
A good quarterback can throw a football at 27m/s;m/s (about 60mph;mph ).?
A good quarterback can throw a football at a speed of 27 m/s (approximately 60 mph). Part A: Assuming the ball is caught at the same height from which it is thrown and ignoring air resistance, what i...
Feb 08, 2025
does Pe = Ke?
The question "Does Pe equal Ke?" is quite brief and lacks context. To enhance clarity and provide a more engaging inquiry, I suggest the following revision: "In the context of physics, can we equate p...
Heat can never flow from __________.?
Heat can never flow from which of the following options? a. Hot to cold b. Cold to hot c. Liquid to solid d. Solid to liquid