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problems in trigonometry, calculus reverse?

1. A plane at a constant altitude of 5 km and a speed of 500 km / h is flying in a direction away from an observer on the ground. Use the inverse trigonometric functions to find the rate at which the elevation angle is changing when the plane flies over a point 2 miles from the observer. 2. A projector located 1 / 8 mile from the nearest point P on a straight road is trained in a car traveling on the highway at a speed of 50 km / hr. Use the inverse trigonometric functions to find the rate at which the reflector rotates when the car is 1 / 4 Q. mile Any help with either would be amazing!

using Newton's second law

NTS&B Layout-Lionel 3520 Rotating Searchlight Car

Cyclops C18MIL Thor X Colossus 18 Million Candle Power Rechargable Halogen Spotlight $47.89 …

Coleman LED Rechargeable Spotlight $46.26 Coleman’s LED Rechargeable Spotlight is rechargeable. Includes 120V and 12V adapters with trigger switch, depress to turn ON, release to turn OFF. Includes a slide switch for continuous ON operation. LED’s keep spotlight cool to the touch. Use while plugged into a 12V adapter or unplug to take anywhere. Integrated hanging feature for multi-functional use. Comfortable non-slip grip. 2.5 hours o…

Stanley HID0109 HID Spotlight $72.88 This Stanley HID spotlight has a 12-volt 3Ah SLA rechargeable battery and a 35-watt, high-intensity discharge bulb. It consists of three LEDs at the top for area light and a metal roll bar for durability. This spotlight includes CEC AC charger (UL listed), polycarbonate unbreakable lens, and a convenient lanyard for easy transport. It offers 35 minutes of constant runtime at full power….

Golight Permanent Mount Searchlight W/dash Mounted Remote – White $160.85 Golight searchlights – durable, versatile, powerful… Guaranteed! exclusive cr5 pentabeam technology remote controlled operation 370 deg rotation x 135 tilt 400,000 candle power, 5.5 amps uv ray and saltwater resistant weatherproof for land and sea applications permanent-mount and portable-mount options 3-year limited warranty package includes: dash-mount remote 20 wiring harness with quick disco…

Golight Stryker Searchlight 12v W/wireless Handheld Remote – Black $213.42 Stryker searchlight – durable, versatile, powerful.. Guaranteed! exclusive cr5 pentabeam ii technology wireless remote controlled operation 370x rotation x 135 degree tilt 500,000 candle power, 5.5 amps uv ray and saltwater resistant integrated 12v dc high-torque motors weatherproof for land and sea applications waterproof remote transmitters r.f. Programmable super heterodyne receiver 5-year limi…

55 Watt ! Motorized Spotlight, Searchlight with Waterproof Remote Control for Car, Boat,Home $295.00 A High quality spotlight, searchlight with a High Power 55 Watt Halogen light that is controlled by a keychain waterproof RF remote control with over 200 foot transmitting range. (most competitors are only ~ 25 foot range) Light can be seen up to 1/2 mile away. Housing is UV and saltwater resistant. Remote control can move the light 360 degrees horizontally and 90 degrees vertically. …

LEGO Ninjago Kai’s Blade Cycle 9441 $14.99 Lego Ninjago Kais Blade Cycle….

Vtech – InnoTab Interactive Learning Tablet $79.99 Take learning to the next level with the InnoTab Interactive Learning Tablet by VTech! This multi-media tablet combines interactive reading, learning games, creative activities, and a rich collection of applications into a sleek and durable toy that kids will want to play with. Featuring a 5″ color touch screen and tilt-sensor, kids can tap, flick, drag, and pat their way to learning fun. The fun …